Update app.py

app.py

@@ -236,8 +236,12 @@ def main():
     capture_option = st.sidebar.radio("Select Media Capture Option", ["None", "Capture Photo", "Capture Video"])
 
     if capture_option == "Capture Photo":
+        st.session_state.image_data = None
+        st.session_state.video_data = None
         capture_photo()
     elif capture_option == "Capture Video":
+        st.session_state.image_data = None
+        st.session_state.video_data = None
         capture_video()
 
     # Display conversation and chat