Fix tag assignment bug and add loading spinners

Pages/About.py

@@ -4,7 +4,7 @@ import streamlit as st
 # Display the about page of the app with information about the creator, code and data.
 def about_page():
     with st.container():
-        col = st.columns([1.5, 1])
+        col = st.columns([1, 1])
         with col[0]:
             st.title("About Us")
             st.write("\n")

Pages/Models.py

@@ -79,9 +79,12 @@ def supervised_page():
     text = st.text_area("Enter text to assign tags", height=200, key="supervised_text")
     text = clean_text(text)
     if st.button("Assign tags", key="supervised_button"):
-        with st.spinner("Assigning tags..."):
-            tags = tag_cnn_model(text)[0]
-            tagger_component("Tags:", tags)
+        if text == "":
+            st.error("Please enter some text to assign tags")
+        else:
+            with st.spinner("Assigning tags..."):
+                tags = tag_cnn_model(text)[0]
+                tagger_component("Tags:", tags)
 
 
 # Display the unsupervised model using bertopic page of the app
@@ -95,8 +98,11 @@ def unsupervised_page_bertopic():
         "Enter number of tags to assign", value=5, key="unsupervised_n_bertopic"
     )
     if st.button("Assign tags", key="unsupervised_button_bertopic"):
-        with st.spinner("Assigning tags..."):
-            output_bertopic(text, n)
+        if text == "":
+            st.error("Please enter some text to assign tags")
+        else:
+            with st.spinner("Assigning tags..."):
+                output_bertopic(text, n)
 
 
 def unsupervised_page_keybert():
@@ -109,8 +115,11 @@ def unsupervised_page_keybert():
         "Enter number of tags to assign", value=5, key="unsupervised_n_keybert"
     )
     if st.button("Assign tags", key="unsupervised_button_keybert"):
-        with st.spinner("Assigning tags..."):
-            output_keybert(text, n)
+        if text == "":
+            st.error("Please enter some text to assign tags")
+        else:
+            with st.spinner("Assigning tags..."):
+                output_keybert(text, n)
 
 
 # Display the unsupervised model using bertopic page of the app
@@ -124,16 +133,19 @@ def unsupervised_page_mmr():
         "Enter number of tags to assign", value=5, key="unsupervised_n_mmr"
     )
     if st.button("Assign tags", key="unsupervised_button_mmr"):
-        with st.spinner("Assigning tags..."):
-            output_mmr(text, n)
+        if text == "":
+            st.error("Please enter some text to assign tags")
+        else:
+            with st.spinner("Assigning tags..."):
+                output_mmr(text, n)
 
 
 # Display the model page of the app
 def model_page():
     stype_for_page = """
     <style>
-    button.st-emotion-cache-c766yy.ef3psqc11:hover {
-    scale: 1.07;
+    [data-testid="baseButton-secondary"]:hover {
+    scale: 1.05;
     transition-duration: 0.3s;
     }
     </style>
@@ -159,6 +171,7 @@ def model_page():
         with tab4:
             unsupervised_page_bertopic()
     with st.container():
+        st.info("Click on the arrow to expand the example texts.")
         with st.expander("Example Texts", expanded=False):
             st.markdown(
                 """

Pages/Topic Model Results.py

@@ -22,19 +22,24 @@ def topic_model_results():
         ]
     )
     with tab1:
-        st.write(bertopic_model.visualize_barchart(top_n_topics=20))
+        with st.spinner("Loading the Visualization..."):
+            st.write(bertopic_model.visualize_barchart(top_n_topics=20))
     with tab2:
-        st.write(bertopic_model.visualize_topics())
+        with st.spinner("Loading the Visualization..."):
+            st.write(bertopic_model.visualize_topics())
     with tab3:
-        st.write(
-            bertopic_model.visualize_distribution(
-                bertopic_model.probabilities_[0], min_probability=0.015
+        with st.spinner("Loading the Visualization..."):
+            st.write(
+                bertopic_model.visualize_distribution(
+                    bertopic_model.probabilities_[0], min_probability=0.015
+                )
             )
-        )
     with tab4:
-        st.write(bertopic_model.visualize_hierarchy())
+        with st.spinner("Loading the Visualization..."):
+            st.write(bertopic_model.visualize_hierarchy())
     with tab5:
-        st.write(bertopic_model.visualize_heatmap())
+        with st.spinner("Loading the Visualization..."):
+            st.write(bertopic_model.visualize_heatmap())
 
 
 if __name__ == "__main__":