Update app.py

app.py

@@ -220,13 +220,14 @@ def chat_with_bot(messages, user_message):
 
 # Function to generate audio with Eleven Labs TTS from the last bot response
 def generate_audio_from_last_response(messages):
-    # Get the last bot response from the conversation history
-    if messages and messages[-1][1]:  # Check if there is a bot response
+    # Ensure the messages list is not empty and the last message has a bot response
+    if messages and isinstance(messages[-1], tuple) and len(messages[-1]) == 2 and messages[-1][1]:
         last_response = messages[-1][1]
         return generate_audio_elevenlabs(last_response)
     return None
 
 
+
 # Create the Gradio Blocks interface
 with gr.Blocks() as demo:
     chatbot = gr.Chatbot([], elem_id="RADAR", bubble_full_width=False)