fix regenerate

app.py

@@ -110,7 +110,10 @@ def predict(chatbot, history, tts_model, user_prompt, enable_asr):
         if enable_asr:
             asr_text = None
             if not isinstance(chatbot[-1]["content"], str):
-                user_audio_path = chatbot[-1]["content"]["path"]
+                if isinstance(chatbot[-1]["content"], dict):
+                    user_audio_path = chatbot[-1]["content"]["path"]
+                else:
+                    user_audio_path = chatbot[-1]["content"][0]
                 print(f"do asr {user_audio_path=}")
                 asr_text = call_asr(user_audio_path)
                 print(f"{asr_text=}")