fix: typo

app.py

@@ -110,7 +110,7 @@ def get_video():
     if session_id not in sessions:
         session = Session(session_id)
         sessions[session_id] = session
-        threading.Thread(target=frame_processor, args=[session_id], daemon=True).start()
+        threading.Thread(target=process_frame, args=[session_id], daemon=True).start()
     else:
         session = sessions[session_id]
         session.show_stats = show_stats