def __init__(self, gator, **kwargs):
        self.gator = gator
        self.task_kwargs = kwargs
Availability presence from empty sender is ignored.
dataset/ETHPy150Open toastdriven/alligator/alligator/gator.py/Options.__init__--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_muc.py/MUCClientTest.test_unavailableReceivedEmptySender