addedin tracebacs for silent voice cloning faliurs

app.py

@@ -9,6 +9,8 @@ print("Model loaded.")
 
 VOICES = ['alba', 'marius', 'javert', 'jean', 'fantine', 'cosette', 'eponine', 'azelma']
 
+import traceback
+
 def generate_speech(text, voice_mode, voice_dropdown, voice_upload):
     if not text:
         return None
@@ -18,21 +20,30 @@ def generate_speech(text, voice_mode, voice_dropdown, voice_upload):
             voice_path = voice_dropdown
         else:
             if not voice_upload:
-                return None
+                raise gr.Error("Please upload an audio file for voice cloning.")
             voice_path = voice_upload
             
         print(f"Generating with voice: {voice_path}")
-        voice_state = model.get_state_for_audio_prompt(voice_path)
-        audio = model.generate_audio(voice_state, text)
+        try:
+            voice_state = model.get_state_for_audio_prompt(voice_path)
+            audio = model.generate_audio(voice_state, text)
+        except Exception as e:
+            full_error = traceback.format_exc()
+            print(f"Error in model processing: {full_error}")
+            raise gr.Error(f"Model error: {str(e)}")
         
         # Convert to 16-bit PCM to avoid Gradio warnings
         audio_np = audio.cpu().numpy()
         audio_int16 = (audio_np * 32767).astype(np.int16)
         
         return (model.sample_rate, audio_int16)
+    except gr.Error:
+        raise
     except Exception as e:
-        print(f"Error generating speech: {e}")
-        return None
+        full_error = traceback.format_exc()
+        print(f"Unexpected error: {full_error}")
+        raise gr.Error(f"An unexpected error occurred: {str(e)}")
+
 
 # Load custom theme with fallback
 try:

packages.txt

@@ -0,0 +1 @@
+ffmpeg