def does_not_contain_key(self, *keys):
        if not isinstance(self.val, collections.Iterable) or \
                not hasattr(self.val, 'keys') or \
                not callable(getattr(self.val, 'keys')):
            raise TypeError('val is not dict-like')
        return self.does_not_contain(*keys)
Deleting tag[key] deletes all 'key' attributes for the tag.
dataset/ETHPy150Open ActivisionGameScience/assertpy/assertpy/assertpy.py/AssertionBuilder.does_not_contain_key--crossover with--dataset/ETHPy150Open socketubs/pyhn/pyhn/lib/bs4_py3/element.py/Tag.__delitem__