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38,019
TST/REF: collect Index setops tests
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2020-11-23T16:13:30Z
2020-11-24T15:26:27Z
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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MDExOlB1bGxSZXF1ZXN0NTI1ODQ5OTQ3
38,020
BUG: algos.isin numeric vs datetimelike
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MDExOlB1bGxSZXF1ZXN0NTI1OTA0MDEx
38,021
ENH: support 2D in DatetimeArray._from_sequence
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2020-11-23T18:01:58Z
2020-12-17T15:44:46Z
2020-12-17T13:52:44Z
MEMBER
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Broken off from a branch that fixes #37682, the constraint on which is that _validate_setitem_value needs to handle 2D.
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STYLE use types_or in pre-commit
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2020-11-23T19:28:22Z
2020-12-16T00:46:50Z
2020-12-16T00:46:50Z
MEMBER
null
[pre-commit 2.9 adds support for types_or](https://github.com/pre-commit/pre-commit/releases/tag/v2.9.0), which would help clear up some of the less readable regexes like `\.(py|pyx|rst)$`, replacing them with `types_or: [python, cython, rst]`
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38,023
QST: Pandas without MKL?
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2020-11-23T19:34:04Z
2020-11-24T00:22:18Z
2020-11-24T00:22:08Z
NONE
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I build a small application that uses `pandas` and use `pyinstaller` to build `.exe` file. Since the default `numpy` uses MKL, which results in very large folder. I use `conda install conda-forge nomkl numpy` to install numpy without MKL. Then I install pandas using `conda install pandas`. The program works well. Howev...
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https://api.github.com/repos/pandas-dev/pandas/issues/38024
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38,024
Revert "REF: back IntervalArray by a single ndarray (#37047)"
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2020-11-23T20:32:49Z
2020-11-24T19:22:32Z
2020-11-24T17:35:58Z
MEMBER
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This reverts commit 9cb372376fc78aa66e2559de919592007b74cfaa. See discussion in https://github.com/pandas-dev/pandas/pull/37047/ @jbrockmendel can you give this a check? (there were already several conflicts)
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38,025
BUG: Setting a MultiIndex through set_index where one of the columns contains exclusively NaTs converts them to NaNs
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2020-11-23T20:44:06Z
2021-09-29T13:28:07Z
2021-09-29T13:28:07Z
NONE
null
- [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the latest version of pandas. - [ ] (optional) I have confirmed this bug exists on the master branch of pandas. --- ```python import pandas as pd df1 = pd.DataFrame({ "date": ["2015-03-22", p...
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38,026
Bug in loc raising KeyError when MultiIndex columns has only one level
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2020-11-23T23:07:42Z
2020-11-25T18:50:52Z
2020-11-25T03:18:36Z
MEMBER
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- [x] closes #29749 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry @jbrockmendel I think we should check for MultiIndex instead of level number here
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REF: Share code between NumericIndex subclasses
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38,028
BUG: RangeIndex.difference with mismatched step
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- [ ] closes #xxxx - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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38,029
BUG: unstack with missing levels results in incorrect index names
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2020-11-24T03:07:32Z
2021-01-01T01:35:55Z
2020-12-31T19:11:28Z
CONTRIBUTOR
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- [x] closes #37510 - [x] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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BUG: NumericIndex.insert(0, False) casting to int
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MEMBER
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- [x] closes #36319 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry xref #16277
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38,031
the .corr method filter the columns to only keep the numerical columns before apply any corr calclation.
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2021-08-14T05:49:55Z
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NONE
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https://github.com/pandas-dev/pandas/blob/67a3d4241ab84419856b84fc3ebc9abcbe66c6b3/pandas/core/frame.py#L8127 the .corr method filter the columns to only keep the numerical columns before apply any corr calclation. one issue with that is if I would like to apply a callable method _cramer_v to calc the correlation be...
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38,032
BUG: series construction from dict of Timedelta scalar doesn't work
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2020-11-24T04:28:02Z
2020-12-12T23:23:56Z
2020-12-12T23:23:56Z
MEMBER
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Construction of `Series` from a dictionary of scalars sometimes fails: #### Code Sample, a copy-pastable example ```python In [31]: import pandas as pd ...: import pandas._testing as tm ...: ...: td = pd.Timedelta(nanoseconds=500) ...: ser = pd.Series({"a": td}) ...: expected = pd.Serie...
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38,033
TST: dataframe constructor should preserve order with standard Python dicts
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2020-11-24T04:51:48Z
2020-12-02T03:04:37Z
2020-12-02T03:04:37Z
MEMBER
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We have a couple of dataframe tests (xref #13304) related to column ordering when constructed from an `OrderedDict`: https://github.com/pandas-dev/pandas/blob/e4cf3abe0020aa801950e0383fffc13ee9703456/pandas/tests/frame/test_constructors.py#L1250-L1288 As of [PEP 468](https://www.python.org/dev/peps/pep-0468/) stand...
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ENH: preserve RangeIndex in factorize
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2020-11-24T05:17:15Z
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- [ ] closes #xxxx - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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38,035
Backport PR #37986 on branch 1.1.x: REGR: fix inplace operations for EAs with non-EA arg
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2020-11-24T09:36:48Z
2020-11-25T10:53:11Z
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MEMBER
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Backport PR #37986
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749,662,069
MDU6SXNzdWU3NDk2NjIwNjk=
38,036
speed up apply calculation
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2
2020-11-24T12:23:41Z
2020-11-24T17:15:14Z
2020-11-24T17:15:14Z
NONE
null
Hi, I have a huge database with multi index ((8832, 14384)) from which I calculate some statistics with code like that : ```python (df .apply([ lambda x: ..., lambda x: ..., lambda x: ..., lambda x: ..., lambda x: ..., lambda x: ..., lambda x: ..., lambda x: .....
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https://api.github.com/repos/pandas-dev/pandas/issues/38037
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749,673,072
MDU6SXNzdWU3NDk2NzMwNzI=
38,037
KeyError in datetime pandas when accessing with datetime.date
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5
2020-11-24T12:40:34Z
2021-11-18T00:13:05Z
null
NONE
null
I've just upgrade Big Sur 11.0.1 and I'm facing some issue while trying to execute a notebook. Weird because it worked on Catalina. Could anyone help ? ``` import numpy as np import pandas as pd import yfinance as yf # In[56]: #parameters RISKY_ASSET = 'ADBE' START_DATE = '2017-01-01' END_DATE = '202...
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MDU6SXNzdWU3NDk2Nzg5Nzg=
38,038
REGR: Performance regression on RollingGroupby
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9
2020-11-24T12:49:16Z
2020-12-01T09:12:37Z
2020-12-01T09:12:37Z
NONE
null
pd.DataFrame({'a': np.random.randn(10000000), 'b': 1}).groupby('b').rolling(3).mean() is approximately 10x slower between 1.0.5 and 1.1.x
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749,781,680
MDU6SXNzdWU3NDk3ODE2ODA=
38,039
Is possible pass `Series` to `groupby.head` ?
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2020-11-24T14:59:50Z
2021-08-14T05:53:21Z
null
NONE
null
From this [answer](https://stackoverflow.com/a/64988556/2901002) working returned first top groups from another column: data = {'month': ['Jan','Jan','Jan','Jan','Feb','Feb','Feb','Feb','Feb','Feb'], 'userid': ['2345','2345','2345','2345', '2345','2345','2345','5678', '5678', '5678'], 'cn...
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749,855,024
MDExOlB1bGxSZXF1ZXN0NTI2NjAzMjUw
38,040
BUG: Series constructor drops nanoseconds of Timedelta scalar
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2020-11-24T16:22:30Z
2021-03-22T20:24:55Z
2020-12-11T08:49:23Z
CONTRIBUTOR
null
- [x] closes #38032 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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749,902,703
MDExOlB1bGxSZXF1ZXN0NTI2NjQzMDk0
38,041
BUG: pytables in py39
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10
2020-11-24T17:26:35Z
2020-11-25T15:28:59Z
2020-11-25T03:58:19Z
MEMBER
null
There are failures I'm getting locally since homebrew bumped up to py39. I'm not seeing them on the CI, but they _did_ appear around the same time as these [different](https://dev.azure.com/pandas-dev/pandas/_build/results?buildId=48423&view=logs&j=2d7fb38a-2053-50f3-a67c-09f6e91d3121&t=449937cc-3d50-56b5-5662-e489f41...
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749,904,942
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38,042
ENH: groupby.apply axis=1 behavior
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2020-11-24T17:29:44Z
2020-11-28T17:16:18Z
null
MEMBER
null
xref #9772 ``` df = pd.DataFrame({i:pd.Series(np.random.normal(size=10), index=range(10)) for i in range(11)}) g = df.groupby(['a']*6+['b']*5, axis=1) g.apply(lambda x : x.sum()) ``` now raises, but used to give the (perhaps) surprising output ``` a b ...
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38,043
TYP: Add cast to ABC Index-like types
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2020-11-24T17:40:31Z
2020-12-06T14:03:54Z
2020-11-28T17:46:03Z
MEMBER
null
- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry cc @simonjayhawkins For the added type-ignore, the attribute `inferred_freq` is added dynamically onto the index instance.
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38,044
CLN: Remove .values from groupby.sem
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2020-11-24T17:58:15Z
2020-12-06T14:03:54Z
2020-11-26T16:17:44Z
MEMBER
null
- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Closure of #22046 allows removing the workaround.
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CLN: dont mix Int64Index into PeriodIndex
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2020-11-24T18:07:05Z
2020-11-26T18:50:07Z
2020-11-26T17:34:48Z
MEMBER
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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BUG: BDay() offsetting not behaving as expected
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2020-11-24T19:18:09Z
2020-12-18T23:05:35Z
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NONE
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```python import pandas as pd from pandas.tseries.offsets import CDay, BDay idx = pd.bdate_range("2010/02/01","2010/02/15", freq='6H') t1 = idx + BDay(offset=pd.Timedelta(3, unit='H')) t2 = idx + CDay(offset=pd.Timedelta(3, unit='H')) t1.equals(t2) False ``` #### Problem description BDay does no...
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DOC: Remove repeated words and wrong /it's/ usage
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2020-11-24T19:30:11Z
2020-11-26T18:55:15Z
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CONTRIBUTOR
null
- [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` Remove (manually reviewed) repeated words from documentation/comments as well as wrong usage of `it's` (replaced by `its` where appropriated).
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CONTRIBUTOR
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- [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Tracemalloc is a standard tool for tracing of memory consumption in Python. Until now khash-maps were invisible for this tool. This PR follows more or less numpy's a...
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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BUG: Index.drop raises on non-unique Index
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2020-12-02T23:28:04Z
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MEMBER
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``` index = pd.Index(range(3)).repeat(2) >>> index.drop(1) Traceback (most recent call last): [...] pandas.errors.InvalidIndexError: Reindexing only valid with uniquely valued Index objects ``` It is using Index.get_indexer, which is only for uniques indexes.
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BUG: get_indexer_non_unique not excluding boolean like get_indexer
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- [ ] closes #xxxx - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry There's a check in get_indexer that is missing from get_indexer_non_unique, which this adds. This is going to make some de-duplication easier. Ha...
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BUG: calling at[] on a Series with a single-level MultiIndex returns a Series, not a scalar
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NONE
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- [YES] I have checked that this issue has not already been reported. - [YES] I have confirmed this bug exists on the latest version of pandas. - [NO] (optional) I have confirmed this bug exists on the master branch of pandas. --- #### Code Sample, a copy-pastable example ```python idx1 = pd.MultiIndex....
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2020-11-25T02:53:57Z
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MDExOlB1bGxSZXF1ZXN0NTI3MDM1NzAw
38,055
CLN: remove ABCIndex
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2020-11-25T03:20:37Z
2020-11-26T15:34:43Z
2020-11-26T00:30:57Z
MEMBER
null
It's a footgun. BTW I expect the CI to fail until #38020 goes in, which will [demonstrate](https://github.com/pandas-dev/pandas/pull/38020#discussion_r529159757) that there is a test case that uses MultiIndex.
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38,056
CI: Renable window tests on Windows
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2020-11-25T06:05:21Z
2020-11-25T21:10:43Z
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- [x] closes #37535 - [ ] tests added / passed Checking if the recent cleanup of the `tests/window` directory had any impact.
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38,057
PERF: fix regression in creation of resulting index in RollingGroupby
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2020-11-25T09:03:16Z
2020-12-08T14:36:41Z
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Closes #38038 TODO: fix corner cases, add benchmark, ..
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38,058
BUG: nan values in dataframe index when reading from multiple parquet files
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2020-11-25T10:27:28Z
2020-11-25T14:17:44Z
2020-11-25T14:15:11Z
NONE
null
- [x] I have checked that this issue has not already been reported. - [x] I have confirmed this bug exists on the latest version of pandas. - [ ] (optional) I have confirmed this bug exists on the master branch of pandas. --- **Note**: Please read [this guide](https://matthewrocklin.com/blog/work/2018/02/28...
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Backport PR #37039: CI: move py39 build to conda #33948
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Backport PR #37039
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38,060
BUG: Changing values in copied dataframe manipulates the original dataframe
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2020-11-25T10:58:25Z
2020-11-25T21:56:10Z
2020-11-25T21:55:53Z
NONE
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Hey everybody, so I ran into something odd last night. I had two dataframes: dataframe_original and the dataframe_copy. Whenever I changed the values in a column of dataframe_copy the code changed the values in dataframe_original. I had the original one as a backup and assign it every iteration to a local copy....
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38,061
Backport PR #38041 on branch 1.1.x: BUG: pytables in py39 (#38041)
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Backport PR #38041 on branch 1.1.x
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DOC: move info docs to DataFrameInfo
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Precursor for #37320 Move ``info`` docstring from ``pandas/core/frame.py`` to class ``DataFrameInfo`` using ``doc`` decorator. @simonjayhawkins n...
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ENH: add a keyword to the eq method to consider NAs equal
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2020-11-25T12:37:42Z
2021-08-14T05:55:16Z
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### Code Sample This works as expected. Comparing nan with nan evaluates to False. ```python >>> import pandas as pd >>> import numpy as np >>> s1 = pd.Series(np.nan) >>> s1.eq(s1) 0 False dtype: boolean ``` However, this does not work as expected. Comparing nan with nan evaluates to nan. ```python >>>...
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DOC: tidy 1.1.5 release notes
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38,065
ENH: Add get_window method on a rolling object
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2020-11-25T14:19:30Z
2020-11-26T12:34:02Z
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#### Is your feature request related to a problem? Yes. I would like to make a test of a function that is then applied on a rolling object. Making that test on just one window of the rolling object would be convenient. #### Describe the solution you'd like Someting similar to get_group for a groupby object. Th...
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RLS: 1.1.5
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19
2020-11-25T15:51:33Z
2020-12-08T19:16:55Z
2020-12-08T11:12:23Z
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Tracking issue for the 1.1.5 release. https://github.com/pandas-dev/pandas/milestone/79
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38,067
DOC: Include missing holiday observance rules
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2020-11-25T17:25:35Z
2021-08-14T05:55:56Z
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#### Location of the documentation [Timeseries Holiday](https://pandas.pydata.org/pandas-docs/stable/user_guide/timeseries.html#holidays-holiday-calendars) section in doc/source/user_guide/timeseries.rst. #### Documentation problem The list of available holiday observance rules is incomplete - several availabl...
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38,068
ENH: NDArrayBackedExtensionArray.__array_function__
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2020-11-25T18:32:41Z
2021-03-02T15:54:21Z
2020-12-21T21:37:43Z
MEMBER
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motivated by getting np.delete and np.repeat working, had to implement a few others to get the tests passing. If we go down this path, I plan to incrementally add support for others, some of which (e.g. vstack) will avoid some object-dtype casting. cc @TomAugspurger @shoyer @seberg any suggestions to clean the im...
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38,069
ENH: Rename multi-level columns or indices using their tupelized names
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2020-11-25T19:57:28Z
2020-11-25T22:25:55Z
2020-11-25T21:06:43Z
NONE
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It's currently quite difficult to rename a single column (or row) in a multi-indexed DataFrame. The problem is illustrated also in this [SO article](https://stackoverflow.com/questions/54693188). The current approach requires at least 3 steps: ``` df = pd.DataFrame([[1,2,3],[3,4,5],[5,6,7], [7,8,9]]) df.columns...
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38,070
BUG: Index.drop raising Error when Index has duplicates
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2020-11-25T20:11:11Z
2020-12-03T22:14:42Z
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- [x] closes #38051 - [x] closes #33494 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry @jbrockmendel This should deal with duplicates. For MultiIndex sometimes a slice with stepzize greater than zero was given, wh...
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38,071
BUG: DataFrame.loc returning empty result with negative stepsize for MultiIndex
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2020-11-25T21:19:03Z
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- [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry This was easier than thought. Should I add a whatsnew note for this?
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TST/REF: take things out of Base tests
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2020-11-25T22:15:45Z
2020-11-26T18:48:31Z
2020-11-26T17:57:57Z
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Trying to clear up the confusing: common.py defines Base test_base.py imports Base from common test_common does not and try to get away from the create_index usage to just use the index fixture Small steps.
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BUG: Series.where casting dt64 to int64
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2020-11-25T22:43:24Z
2020-12-29T18:13:45Z
2020-12-29T18:09:25Z
MEMBER
null
- [x] closes #37682 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry This sits on top of #38021
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MDExOlB1bGxSZXF1ZXN0NTI3NzMzODU2
38,074
PERF: fix regression in tz_convert_from_utc
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2020-11-25T23:10:32Z
2020-11-26T15:35:34Z
2020-11-26T15:35:30Z
CONTRIBUTOR
null
- [x] closes #35803 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry - N/A I believe Get rid of an unnecessary copy.
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38,075
ENH: pd.link([*dataframes], how='left')
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2020-11-26T01:49:47Z
2021-08-14T05:59:48Z
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NONE
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#### Is your feature request related to a problem? When working with data that contains a lot of references, pd.merge seems to be the best approach. If you need to follow more than 1 reference to get where you need, this quickly gets verbose. To solve this problem, I suggest a higher level wrapping for merge, th...
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CLN: inconsistent namespace usage in tests.indexes
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MEMBER
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Finding these annoying while doing other work in this directory.
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BUG: raise consistent exception on slicing failure
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MEMBER
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- [ ] closes #xxxx - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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CLN: fix flake8 C406, C409, and some of C408
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38,079
TST: mark all plotting tests as slow
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2020-11-26T04:45:52Z
2020-11-30T03:11:16Z
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MEMBER
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- [ ] xref https://github.com/pandas-dev/pandas/pull/37735#issuecomment-732530791 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Marked all plotting tests as slow globally at the top of each module.
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38,080
DOC: Clean .ix references in indexing.rst
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2020-11-26T11:17:31Z
2020-11-26T16:43:45Z
2020-11-26T16:18:51Z
CONTRIBUTOR
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`DataFrame.ix` is removed from the code base, so rephrase a section in the docs that was referencing it.
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Backport PR #38064 on branch 1.1.x (DOC: tidy 1.1.5 release notes)
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Backport PR #38064: DOC: tidy 1.1.5 release notes
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PERF: investigate alt implementations for cross join
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2020-11-26T13:07:29Z
2020-11-26T13:49:10Z
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CONTRIBUTOR
null
in #37864 cross join was added let's add some benchmarks
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38,083
PERF: regression in Series.asof with single date
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2
2020-11-26T13:18:21Z
2020-11-27T07:24:04Z
2020-11-27T07:24:04Z
MEMBER
null
From https://pandas.pydata.org/speed/pandas/#timeseries.AsOf.time_asof_single?p-constructor='Series'&commits=52a17259-24e881d4&x-axis=commit&Cython=0.29.21&python=3.8 Snippet extracted from ASV: ```python N = 10000 rng = pd.date_range(start="1/1/1990", periods=N, freq="53s") s = pd.Series(np.random.randn(N), i...
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751,589,514
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38,084
BLD: Use conda(-forge) compilers
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2020-11-26T13:24:34Z
2020-11-26T19:13:32Z
2020-11-26T19:13:32Z
CONTRIBUTOR
null
Use the compiler setup from conda-forge inside a conda environment. The compilers in conda-forge can be different and slightly incompatible with the system ones causing some headaches. Also this hopefully helps with initial setup of new contributors. Is this worth a whatsnew entry? - [ ] closes #xxxx - [ ] tests...
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38,085
TST : Categorical DataFrame.at overwritting row
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1
2020-11-26T13:27:48Z
2020-12-03T13:54:21Z
2020-11-26T18:08:12Z
CONTRIBUTOR
null
- [ ] closes #37763 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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751,593,706
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38,086
PERF: performance regression in replace() corner cases
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2020-11-26T13:30:44Z
2020-11-27T01:01:26Z
2020-11-27T01:01:26Z
MEMBER
null
ASV shows a *gigantic* regression (14629.25x) in a certain `replace` benchmark: https://pandas.pydata.org/speed/pandas/#replace.ReplaceList.time_replace_list?python=3.8&Cython=0.29.21&p-inplace=True&commits=07559156-dbee8fae The simplified case is: ``` In [5]: df = pd.DataFrame({"A": 0, "B": 0}, index=range(4 * ...
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38,087
BLD: Only enable -Werror in the CI jobs
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2020-11-26T13:34:40Z
2020-12-01T16:41:28Z
2020-11-27T20:03:58Z
CONTRIBUTOR
null
closes #33315 closes #33314 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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38,088
DOC: clarify docs related to deprecation of indexing DataFrame with single partial datetime-string
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2020-11-26T14:15:02Z
2020-11-26T15:44:49Z
2020-11-26T15:37:27Z
MEMBER
null
A follow-up on https://github.com/pandas-dev/pandas/pull/36179#discussion_r494830867 (cc @jbrockmendel). Attempt to clarify what is actually deprecated, remove the `:okwarning:` for several cases in the docs that were not actually deprecated, and updated to use the preferred `.loc` for some others.
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38,089
BUG: merge_ordered fails with list-like left_by or right_by
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2020-11-26T15:05:37Z
2020-11-30T00:41:16Z
2020-11-29T17:45:41Z
CONTRIBUTOR
null
- [x] closes #35269 - [x] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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38,090
CI/TST: suppress http debug from tests outputs
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2020-11-26T15:43:03Z
2020-11-28T17:33:56Z
2020-11-28T17:33:56Z
CONTRIBUTOR
null
examples from https://travis-ci.org/github/pandas-dev/pandas/jobs/746072525 We have this output coming from our fixtures (we startup a http endpoint to test things), but the output is totally unecessary / distracting. ``` 127.0.0.1 - - [26/Nov/2020 13:35:25] "PUT /pandas-test/items.jsonl HTTP/1.1" 200 - 127.0.0...
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38,091
CI: very slow tests
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2
2020-11-26T15:47:08Z
2020-11-26T17:08:38Z
null
CONTRIBUTOR
null
from a recent build on master, these builds are *very* slow. Yes we have 140k tests, but 30m is a lot of time (esp considering the azure builds are 2x faster). needs some investigation on what is happening. - https://travis-ci.org/github/pandas-dev/pandas/jobs/746072524 - https://travis-ci.org/github/pandas-dev/pa...
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751,694,851
MDU6SXNzdWU3NTE2OTQ4NTE=
38,092
TST: shift_across_dst failures
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2020-11-26T15:56:30Z
2020-11-26T15:56:30Z
null
CONTRIBUTOR
null
ERROR: type should be string, got "https://dev.azure.com/pandas-dev/pandas/_build/results?buildId=48611&view=logs&j=4b4d380c-92b5-58cf-5b80-2c6c9b1d5805&t=8eab1181-1335-58ed-7ed5-a271d9d86005\r\n\r\nwe want to see if this is a bug / add a test case\r\n\r\n```\r\n2020-11-26T11:02:32.6835667Z ##[section]Starting: Test\r\n2020-11-26T11:02:32.6968461Z ==============================================================================\r\n2020-11-26T11:02:32.6969827Z Task : Bash\r\n2020-11-26T11:02:32.6970534Z Description : Run a Bash script on macOS, Linux, or Windows\r\n2020-11-26T11:02:32.6971261Z Version : 3.177.2\r\n2020-11-26T11:02:32.6971826Z Author : Microsoft Corporation\r\n2020-11-26T11:02:32.6972383Z Help : https://docs.microsoft.com/azure/devops/pipelines/tasks/utility/bash\r\n2020-11-26T11:02:32.6973012Z ==============================================================================\r\n2020-11-26T11:02:32.9619865Z Generating script.\r\n2020-11-26T11:02:32.9824762Z [command]\"C:\\Program Files\\Git\\bin\\bash.exe\" --noprofile --norc -c pwd\r\n2020-11-26T11:02:33.0802003Z /d/a/_temp\r\n2020-11-26T11:02:33.0846216Z \r\n2020-11-26T11:02:33.0876225Z ========================== Starting Command Output ===========================\r\n2020-11-26T11:02:33.0885510Z [command]\"C:\\Program Files\\Git\\bin\\bash.exe\" --noprofile --norc /d/a/_temp/d7f72ca5-7653-4d39-b14e-c4a3a640dc91.sh\r\n2020-11-26T11:02:33.7933378Z pytest -m \"not slow and not network\" -n auto --dist=loadfile -s --strict --durations=30 --junitxml=test-data.xml pandas --ignore=pandas/tests/window/ --ignore=pandas/tests/plotting/\r\n2020-11-26T11:03:46.1230792Z ##[warning]Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3,and in 3.9 it will stop working\r\n2020-11-26T11:03:46.1290301Z ##[warning]Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3,and in 3.9 it will stop working\r\n2020-11-26T11:03:46.1292192Z ##[warning]Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3,and in 3.9 it will stop working\r\n2020-11-26T11:03:46.1293979Z ##[warning]Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3,and in 3.9 it will stop working\r\n2020-11-26T11:03:46.1295207Z ============================= test session starts =============================\r\n2020-11-26T11:03:46.1295831Z platform win32 -- Python 3.7.9, pytest-6.1.1, py-1.9.0, pluggy-0.13.1\r\n2020-11-26T11:03:46.1296368Z rootdir: D:\\a\\1\\s, configfile: setup.cfg, testpaths: pandas\r\n2020-11-26T11:03:46.1296847Z plugins: hypothesis-5.41.3, azurepipelines-0.8.0, forked-1.3.0, xdist-2.1.0\r\n2020-11-26T11:03:46.1297375Z gw0 I / gw1 I\r\n2020-11-26T11:03:46.1297683Z gw0 [98481] / gw1 [98481]\r\n2020-11-26T11:03:46.1297932Z \r\n2020-11-26T11:19:01.9006050Z Result Attachments will be stored in LogStore\r\n2020-11-26T11:19:01.9506376Z Run Attachments will be stored in LogStore\r\n2020-11-26T11:19:03.1155850Z ##[error]1 test(s) failed, 98481 test(s) collected.\r\n2020-11-26T11:19:03.1158156Z Skipping uploading of coverage data.\r\n2020-11-26T11:19:03.1158771Z \r\n2020-11-26T11:19:03.1159206Z ================================== FAILURES ===================================\r\n2020-11-26T11:19:03.1159714Z ____________________________ test_shift_across_dst ____________________________\r\n2020-11-26T11:19:03.1160220Z [gw1] win32 -- Python 3.7.9 C:\\Miniconda\\envs\\pandas-dev\\python.exe\r\n2020-11-26T11:19:03.1160827Z \r\n2020-11-26T11:19:03.1161077Z @given(gen_yqm_offset)\r\n2020-11-26T11:19:03.1161361Z > def test_shift_across_dst(offset):\r\n2020-11-26T11:19:03.1161564Z \r\n2020-11-26T11:19:03.1161828Z pandas\\tests\\tseries\\offsets\\test_offsets_properties.py:107: \r\n2020-11-26T11:19:03.1162225Z _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _\r\n2020-11-26T11:19:03.1163012Z C:\\Miniconda\\envs\\pandas-dev\\lib\\site-packages\\hypothesis\\core.py:661: in execute_once\r\n2020-11-26T11:19:03.1164457Z % (test.__name__, text_repr[0])\r\n2020-11-26T11:19:03.1164917Z _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _\r\n2020-11-26T11:19:03.1165284Z \r\n2020-11-26T11:19:03.1165669Z self = <hypothesis.core.StateForActualGivenExecution object at 0x000001EC3C0E6D08>\r\n2020-11-26T11:19:03.1166349Z message = 'Hypothesis test_shift_across_dst(offset=<-4 * BYearEnds: month=1>) produces unreliable results: Falsified on the first call but did not on a subsequent one'\r\n2020-11-26T11:19:03.1168377Z \r\n2020-11-26T11:19:03.1168728Z def __flaky(self, message):\r\n2020-11-26T11:19:03.1169153Z if len(self.falsifying_examples) <= 1:\r\n2020-11-26T11:19:03.1169544Z > raise Flaky(message)\r\n2020-11-26T11:19:03.1170217Z E hypothesis.errors.Flaky: Hypothesis test_shift_across_dst(offset=<-4 * BYearEnds: month=1>) produces unreliable results: Falsified on the first call but did not on a subsequent one\r\n2020-11-26T11:19:03.1170780Z \r\n2020-11-26T11:19:03.1171182Z C:\\Miniconda\\envs\\pandas-dev\\lib\\site-packages\\hypothesis\\core.py:866: Flaky\r\n2020-11-26T11:19:03.1171722Z --------------------------------- Hypothesis ----------------------------------\r\n2020-11-26T11:19:03.1172169Z Falsifying example: test_shift_across_dst(\r\n2020-11-26T11:19:03.1172581Z offset=<-4 * BYearEnds: month=1>,\r\n2020-11-26T11:19:03.1172904Z )\r\n2020-11-26T11:19:03.1173635Z Unreliable test timings! On an initial run, this test took 638.78ms, which exceeded the deadline of 500.00ms, but on a subsequent run it took 1.55 ms, which did not. If you expect this sort of variability in your test timings, consider turning deadlines off for this test by setting deadline=None.\r\n2020-11-26T11:19:03.1174495Z \r\n2020-11-26T11:19:03.1174995Z You can reproduce this example by temporarily adding @reproduce_failure('5.41.3', b'AAsAAQQA') as a decorator on your test case\r\n2020-11-26T11:19:03.1175561Z ============================== warnings summary ===============================\r\n2020-11-26T11:19:03.1176092Z C:\\Miniconda\\envs\\pandas-dev\\lib\\site-packages\\matplotlib\\__init__.py:107\r\n2020-11-26T11:19:03.1176625Z C:\\Miniconda\\envs\\pandas-dev\\lib\\site-packages\\matplotlib\\__init__.py:107\r\n```"
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751,696,567
MDU6SXNzdWU3NTE2OTY1Njc=
38,093
Extend check for inconsistent pandas namespace usage
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4
2020-11-26T15:59:04Z
2021-02-14T14:00:35Z
2021-02-14T14:00:35Z
MEMBER
null
xref #38076 - it can probably be extended beyond checking for classes. Steps would be: 1. change `PATTERN` in `scripts/check_for_inconsistent_pandas_namespace.py` to ``` PATTERN = r""" ( (?<!pd\.)(?<!\w) # check class_name doesn't start with pd. or character (\w+)\( # match Data...
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751,724,966
MDExOlB1bGxSZXF1ZXN0NTI4MTg1NjU0
38,094
REGR: fix regression in groupby aggregation with out-of-bounds datetimes
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2
2020-11-26T16:46:02Z
2020-11-27T20:47:55Z
2020-11-27T20:12:02Z
MEMBER
null
Closes #36003
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751,790,722
MDExOlB1bGxSZXF1ZXN0NTI4MjM4NjIy
38,095
CLN: testing window namespace
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2020-11-26T19:18:41Z
2020-11-27T18:42:48Z
2020-11-26T23:04:36Z
MEMBER
null
- [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` It appears we are heading this general direction in pandas imports in tests.
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38,096
TST: Suppress http logs in tests
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2020-11-26T19:32:25Z
2020-11-28T18:33:18Z
2020-11-28T17:33:57Z
MEMBER
null
- [x] closes #38090 - [ ] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` Confirming that this does the trick.
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PERF: replace_list
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- [ ] closes #xxxx - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry closes #38086, this gets us back to (very slightly ahead of) 1.1.4 performance for the cases there, will leave to @jorisvandenbossche whether that is...
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- [x] closes #14586 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry The main thing being changed here is `CategoricalIndex._concat` to better match the behavior of all the other `FooIndex._concat` methods. Everythin...
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2020-11-26T21:37:12Z
2020-12-01T10:02:42Z
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MEMBER
null
Closes #35527 For most Series types, this was properly raising the deprecation warning about 2D being deprecated, but for Series with datetimetz values, this started raising an AssertionError instead of only raising the warning.
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BUG: random_state should permit numpy.random.Generator
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2020-11-26T21:42:54Z
2021-07-04T21:37:34Z
2021-07-04T21:37:34Z
CONTRIBUTOR
null
- [x] I have checked that this issue has not already been reported. - [x] I have confirmed this bug exists on the latest version of pandas. - [x] (optional) I have confirmed this bug exists on the master branch of pandas. --- #### Code Sample, a copy-pastable example ```python import pandas as pd impor...
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BUG: Series.at returning Series with one element instead of scalar
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- [x] closes #38053 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry I think if we are at this place and len(values) is 1, we want to return a scalar instead of a Series. This happens only because loc is a slice (0,1)...
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REF: use _validate_fill_value in Index.insert
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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BUG: RangeIndex is not being appened correctly
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2020-11-27T03:19:05Z
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NONE
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- [x] I have checked that this issue has not already been reported. - [x] I have confirmed this bug exists on the latest version of pandas. - [ ] (optional) I have confirmed this bug exists on the master branch of pandas. --- **Note**: Please read [this guide](https://matthewrocklin.com/blog/work/2018/02/28...
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38,106
BUG in Series.interpolate: limit_area/limit_direction kwargs with method="pad"/"bfill" have no effect
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2020-11-27T05:06:06Z
2020-12-01T22:45:17Z
2020-12-01T22:05:06Z
MEMBER
null
- [x] closes #26796 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry Picking up #31048
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38,107
BUG: `df.copy` removes attributes from series in the original dataframe
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2020-11-27T05:41:19Z
2020-11-27T08:19:56Z
2020-11-27T08:16:40Z
CONTRIBUTOR
null
- [x] I have checked that this issue has not already been reported. - [x] I have confirmed this bug exists on the latest version of pandas. - [ ] (optional) I have confirmed this bug exists on the master branch of pandas. --- #### Code Sample, a copy-pastable example ```python # Your code here import p...
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38,108
BUG: calling at[] on a Series with a single-level MultiIndex returns a Series, not a scalar
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2020-11-27T10:25:00Z
2020-11-27T10:26:57Z
2020-11-27T10:25:33Z
CONTRIBUTOR
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- [ ] closes #GH38053 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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38,109
DOC: Add behavior for Index argument in DataFrame.loc
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2020-11-27T12:48:37Z
2020-11-29T18:06:28Z
2020-11-29T18:06:24Z
CONTRIBUTOR
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- [x] closes #36850 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
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38,110
Follow-up on basic FloatingArray implementation
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2020-11-27T14:20:43Z
2021-08-14T16:56:29Z
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MEMBER
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Long overdue follow-up item on the initial merge of the nullable float64/float32 support (https://github.com/pandas-dev/pandas/pull/34307). List of follow-up TODO items: * [x] Update the `convert_dtypes` method to also return nullable floats (one question here: what with floats that are all "integer"-like? I thin...
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38,111
BUG: name retention in Index.intersection
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2020-11-27T15:56:23Z
2020-12-02T01:49:46Z
2020-12-02T01:46:07Z
MEMBER
null
- [ ] closes #xxxx - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry its going to take a few passes to get the behavior consistent across all subclasses. once done, we can de-duplicate the boilerplate.
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38,112
REF: IntervalIndex._assert_can_do_setop
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2020-11-27T16:00:40Z
2020-11-28T18:23:50Z
2020-11-28T18:22:36Z
MEMBER
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Working towards standardizing+deduplicating set ops across Index subclasses, xref #38111
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38,113
TST: rewrite convert_dtypes test to make it easier extendable
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2020-11-27T16:13:11Z
2020-11-28T14:31:45Z
2020-11-28T14:27:21Z
MEMBER
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I have a branch adding `convert_floating` support for ``convert_dtypes``, and the current way they are written is not really maintainable when adding more keywords (eg the tuples of 4 would become tuples of 5, making it even harder to know what is what, and making the formatting less easy to follow). In this PR, I j...
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2020-11-27T16:16:58Z
2020-11-29T15:31:44Z
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Broken off from #38105 so I can start using it to fix inconsistent set ops.
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Backport PR #34407 on branch 1.1.x: REGR: revert "CLN: _consolidate_inplace less" / fix regression in fillna()
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Backport PR #34407
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752,378,890
MDExOlB1bGxSZXF1ZXN0NTI4NzE0NTAy
38,116
CLN: fix flake8 C408 part 2
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3
2020-11-27T16:58:38Z
2020-12-05T18:52:47Z
2020-11-28T17:35:09Z
MEMBER
null
followup of #38078
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38,117
ENH: include conversion to nullable float in convert_dtypes()
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6
2020-11-27T17:07:08Z
2020-11-29T19:29:16Z
2020-11-29T19:12:55Z
MEMBER
null
xref https://github.com/pandas-dev/pandas/issues/38110 There is one potentially corner case: what with floats that are all "integer"-like? I think we want to keep returning nullable int for that, at least by default, and that is what I did now in this PR But we might want to add a parameter controlling that behaviou...
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MDExOlB1bGxSZXF1ZXN0NTI4NzMwMTU2
38,118
BUG: parsed datetime string resolution incorrect
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10
2020-11-27T17:45:38Z
2021-01-30T15:32:34Z
2021-01-24T01:22:07Z
NONE
null
I was working today with datetime index, you have the reso (resolutions) defined from year to nanosecond, but then you had the lines 560-570 repeating 'minute' and 'second', and working with millisecond or nanosecond raises a KeyIndex error. - [ ] closes #38121 - [ ] closes #38077 - [ ] tests added / passed -...
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