def removeAll(self):
        """
        Remove all selectables, and return a list of them.
        """
        return (self._removeAll(
                [self._selectables[fd] for fd in self._reads],
                [self._selectables[fd] for fd in self._writes]) +
                self._continuousPolling.removeAll())

        Remove all selectables, and return a list of them.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/internet/epollreactor.py