pin torchaudio==2.4.0 (before torchcodec default backend)

Dockerfile

@@ -73,8 +73,7 @@ RUN curl -fL --retry 3 --retry-delay 5 -o /app/models/vae-BF16.gguf \
 RUN pip3 install --no-cache-dir --extra-index-url https://download.pytorch.org/whl/cpu \
     "gradio[mcp]==5.29.0" requests torch safetensors \
     transformers>=4.51.0 peft>=0.18.0 accelerate>=1.12.0 \
-    loguru torchaudio diffusers lightning numpy tensorboard soundfile \
-    && pip3 uninstall -y torchcodec 2>/dev/null; true
+    loguru "torchaudio==2.4.0" diffusers lightning numpy tensorboard soundfile
 
 # Clone ACE-Step repo for training module
 RUN git clone --depth 1 https://github.com/ace-step/ACE-Step-1.5 /app/ace-step-source