Update app.py

app.py

@@ -71,23 +71,6 @@ from ltx_pipelines.utils.media_io import decode_audio_from_file, encode_video
 from ltx_core.loader.primitives import LoraPathStrengthAndSDOps
 from ltx_core.loader.sd_ops import LTXV_LORA_COMFY_RENAMING_MAP
 
-from ltx_core.model.transformer import attention as _attn_mod
-
-print(f"[ATTN] Before patch: memory_efficient_attention={_attn_mod.memory_efficient_attention}")
-try:
-    from xformers.ops import memory_efficient_attention as _mea
-    from xformers.ops.fmha import cutlass
-
-    def _cutlass_memory_efficient_attention(*args, **kwargs):
-        # Force CUTLASS and avoid FlashAttention paths that are crashing.
-        kwargs["op"] = (cutlass.FwOp, cutlass.BwOp)
-        return _mea(*args, **kwargs)
-
-    _attn_mod.memory_efficient_attention = _cutlass_memory_efficient_attention
-    print(f"[ATTN] After patch: memory_efficient_attention={_attn_mod.memory_efficient_attention}")
-except Exception as e:
-    print(f"[ATTN] xformers patch FAILED: {type(e).__name__}: {e}")
-
 logging.getLogger().setLevel(logging.INFO)
 
 MAX_SEED = np.iinfo(np.int32).max