def __init__(self):
        """
        @type calls: L{list} of L{tuple} containing C{args} and
            C{kwargs} supplied to C{getHostByName} calls.
        @type pendingResults: L{list} of L{Deferred} returned by
            C{getHostByName}.
        """
        self.calls = []
        self.pendingResults = []

        @type calls: L{list} of L{tuple} containing C{args} and
            C{kwargs} supplied to C{getHostByName} calls.
        @type pendingResults: L{list} of L{Deferred} returned by
            C{getHostByName}.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/names/test/test_rootresolve.py