code: def get_ref_free_exc_info():
      "Free traceback from references to locals() in each frame to avoid circular reference leading to gc.collect() unable to reclaim memory"
      type, val, tb = sys.exc_info()
      traceback.clear_frames(tb)
      return (type, val, tbf get_ref_free_exc_info():
      "Free traceback from references to locals() in each frame to avoid circular reference leading to gc.collect() unable to reclaim memory"
      type, val, tb = sys.exc_info()
      traceback.clear_frames(tb)
      return (type, val, tb)
docs: Free traceback from references to locals() in each frame to avoid circular reference leading to gc.collect() unable to reclaim memory