Method __del__

Lib/asyncio/windows_utils.py:117–120

(self, _warn=warnings.warn)

            self._handle = None

    def __del__(self, _warn=warnings.warn):
        if self._handle is not None:
            _warn(f"unclosed {self!r}", ResourceWarning, source=self)
            self.close()

    def __enter__(self):
        return self