def __init__(self, base_iterator, filter, default):
        self.iter = base_iterator
        self.filter = filter
        self.default = default
400 view for request with unknown service name
dataset/ETHPy150Open ardekantur/pyglet/pyglet/text/runlist.py/FilteredRunIterator.__init__--crossover with--dataset/ETHPy150Open kobotoolbox/kobocat/onadata/apps/sms_support/providers/__init__.py/unknown_service