def umount(self):

        extfile = self.extfile
        # Close external file, if open
        if extfile is not None and extfile.isopen:
            extfile.close()
            self.extfile = None
>>> from lxml import etree as ET
dataset/ETHPy150Open PyTables/PyTables/tables/link.py/ExternalLink.umount--crossover with--dataset/ETHPy150Open Crystalnix/omaha-server/omaha_server/omaha/core.py/Event