$ python
Python 3.13.0 (v3.13.0:60403a5409f, Oct  7 2024, 00:37:40) [Clang 15.0.0 (clang-1500.3.9.4)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> client = MongoClient()
>>> exit()
Exception ignored in: <function MongoClient.__del__ at 0x127bf02c0>
Traceback (most recent call last):
  File "/Users/shane/git/mongo-python-driver/pymongo/synchronous/mongo_client.py", line 1192, in __del__
TypeError: 'NoneType' object is not callable

            warn = warning.warn
            cls = ResourceWarning
            if self._opened and not self._closed and warn and cls:
                warn(
                    (
                        f"Unclosed {type(self).__name__} opened at:\n{self._topology_settings._stack}"
                        f"Call {self.__class__.__name__}.close() to safely shut down your client and free up resources."
                    ),
                    cls,
                    stacklevel=2,
                )