code: def __exit__(self, exc_type, exc_value, exc_traceback):  # noqa: F841
      [contextvars.unbind_contextvars(key) for key in self._context]
      contextvars.bind_contextvars(**self._existing_vars)
  
imports: from structlog import contextvars
label_desc: Use image node_id 3 for calling the ContextualizedLogging obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_value, exc_traceback) without return types