Update requirements.txt

requirements.txt

@@ -1,19 +1,20 @@
 numpy==1.23.5
 
-# Torch stack (matches Audiocraft 1.3.0)
+# Torch stack that Audiocraft 1.3.0 was compiled against
 torch==2.1.0
-torchaudio==2.1.0        --index-url https://download.pytorch.org/whl/cpu
+torchaudio==2.1.0          --index-url https://download.pytorch.org/whl/cpu
 
-# runtime-installed audiocraft needs this I/O helper
-soundfile==0.12.1        # pulls PySoundFile, CFFI; libsndfile is already in the base image
+# Audiocraft runtime helpers (light wheels, no spaCy)
+soundfile==0.12.1          # PySoundFile (libsndfile already in base image)
+av==10.0.0                 # PyAV (works with FFmpeg pre-installed in HF image)
 
-# utilities
+# Utilities
 pydub==0.25.1
 psutil==5.9.8
 
 # Web UI / ZeroGPU
 gradio==4.44.1
 
-# Transformers + hub
+# Transformers + HF tooling (no conflicting Hub pins)
 transformers==4.38.2
 huggingface_hub>=0.19,<1.0