Update app.py

app.py

@@ -87,7 +87,10 @@ def gradio_interface():
         def process_audio(audio_file, history):
             if audio_file:
                 transcription = audio_to_text(audio_file)  # Convert audio to text
-                history.append({"role": "user", "content": transcription})
+                if transcription:
+                    history.append({"role": "user", "content": transcription})
+                else:
+                    history.append({"role": "assistant", "content": "I couldn't understand your audio. Please try again."})
                 return history
 
         # Set up interaction flow: