def __init__(self):
        """
        Initialize polling object, file descriptor tracking dictionaries, and
        the base class.
        """
        self._poller = poll()
        self._selectables = {}
        self._reads = {}
        self._writes = {}
        posixbase.PosixReactorBase.__init__(self)

        Initialize polling object, file descriptor tracking dictionaries, and
        the base class.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/internet/pollreactor.py