Method _reset_cache

pandas/core/base.py:106–115

Reset cached properties. If ``key`` is passed, only clears that key.

(self, key: str | None = None)

        return object.__repr__(self)

    def _reset_cache(self, key: str | None = None) -> None:
        """
        Reset cached properties. If ``key`` is passed, only clears that key.
        """
        if not hasattr(self, "_cache"):
            return
        if key is None:
            self._cache.clear()
        else:
            self._cache.pop(key, None)

    def __sizeof__(self) -> int:
        """