Update app.py

app.py

@@ -112,7 +112,7 @@ with gr.Blocks() as demo:
 
     with gr.Row():
         submit = gr.Button("Send")
-        voice_input = gr.Audio(source="microphone", type="filepath", label="Voice Input")
+        voice_input = gr.Audio(sources="microphone", type="filepath", label="Voice Input")
 
     # Initialize chat with greeting
     demo.load(init_chat, outputs=[state, chatbot, audio_output])