Update app.py

app.py

@@ -125,7 +125,7 @@ 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 <100:
+                   if distance <h*0.8:
                       st.session_state["output_text"] += "hi"