fix: audioop stub for Python 3.13 / pydub compat

app.py

@@ -1,4 +1,13 @@
-import gradio as gr
+import sys
+import types
+
+# ── Python 3.13 compat: audioop removed; stub it so pydub/gradio can load ────
+try:
+    import audioop  # noqa: F401
+except ModuleNotFoundError:
+    sys.modules["audioop"] = types.ModuleType("audioop")
+
+import gradio as gr
 import requests
 import os
 import time
@@ -150,3 +159,4 @@ with gr.Blocks(title="Virtual Cloud Minimum", theme=gr.themes.Soft()) as demo:
 
 if __name__ == "__main__":
     demo.launch()
+