def close(self):
        """
        Clean up resources after use.
        
        Note that the instance is no longer readable nor writable after calling close().
        The method is automatically called by garbage collectors, but made public to
        allow explicit cleanup.
        """
        if self._closefile:
            try:
                self.file.close()
            except __HOLE__:
                pass
dataset/ETHPy150Open twoolie/NBT/nbt/region.py/RegionFile.close