def removeReader(self, reader):
        """Remove a Selectable for notification of data available to read.
        """
        fd = reader.fileno()
        if fd in self._reads:
            del self._reads[fd]
            if self._writes not in fd:
                del self._selectables[fd]
            self._updateRegistration(fd, EVFILT_READ, EV_DELETE)
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/internet/kqreactor.py/KQueueReactor.removeReader/swapped operands of `not in`