Update app.py

app.py

@@ -125,8 +125,9 @@ def video_frame_callback(frame: av.VideoFrame) -> av.VideoFrame:
                    #              st.session_state["output_text"] = st.session_state["output_text"][:-1]  # Remove last character
                    #          else:
                    #              st.session_state["output_text"] += ' '  # Add space
-                   # if distance<30:
-                   st.session_state["output_text"] = "hi"
+                   if distance < 30:
+                      st.session_state["output_text"] = "hi"
+                      st.experimental_rerun()
                        
 
     result_queue.put(detections)