Update app.py

app.py

@@ -51,6 +51,8 @@ if 'user_input' not in st.session_state:
     st.session_state['user_input'] = ''
 if 'audio_data' not in st.session_state:
     st.session_state['audio_data'] = None
+if 'is_recording' not in st.session_state:
+    st.session_state['is_recording'] = False
 
 # --- Streamlit UI ---
 st.title("Gemini Chatbot")
@@ -191,9 +193,10 @@ async def run_webrtc():
     )
 
     if webrtc_ctx.audio_receiver:
+        st.session_state.is_recording = True
         st.write("Recording audio...")
         audio_frames = webrtc_ctx.audio_receiver.get_frames(timeout=None)
-        st.session_state.audio_data = b"".join([frame.to_ndarray() for frame in audio_frames])
+        st.session_state.audio_data = b"".join([frame.to_ndarray().tobytes() for frame in audio_frames])
 
         if st.button("Send Recording"):
             send_message(audio_data=st.session_state.audio_data)