Update app.py

app.py

@@ -1,11 +1,25 @@
 import os
-import gradio as gr
+import torch
+
+# Set a writable cache directory for torch and preload Silero VAD
 os.environ["TORCH_HOME"] = "/tmp/torch"
 os.makedirs("/tmp/torch", exist_ok=True)
-import torch
-torch.hub.load(repo_or_dir="snakers4/silero-vad", model="silero_vad", trust_repo=True)
+
+# Preload Silero VAD to avoid runtime issues
+try:
+    torch.hub.load(repo_or_dir="snakers4/silero-vad", model="silero_vad", trust_repo=True)
+    print("Silero VAD model preloaded successfully.")
+except Exception as e:
+    print(f"Failed to preload Silero VAD: {e}")
+
+# Now proceed with the rest of the imports
 from openvoice import se_extractor
 from openvoice.api import ToneColorConverter
+from openvoice.config import AttrDict
+import gradio as gr
+import torchaudio
+# ... other imports if needed
+
 import time
 import uuid