Update Dockerfile

Dockerfile

@@ -1,16 +1,24 @@
 FROM python:3.11-slim
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1
 
 WORKDIR /app
 
+# System deps that help audio stacks (optional but nice)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY requirements.txt /app/requirements.txt
-RUN pip install --no-cache-dir -r /app/requirements.txt
+
+# Force reinstall to avoid any preinstalled/bundled gradio mismatches
+RUN pip install --upgrade pip setuptools wheel && \
+    pip uninstall -y gradio gradio-client || true && \
+    pip install --no-cache-dir --force-reinstall -r /app/requirements.txt
 
 COPY app /app/app
 
-# Hugging Face Spaces expect the service on 7860
 EXPOSE 7860
-
 CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]