def __ipow__(self, other, modulo=None):
        return self.__class__(self.__pow__(other, modulo))
If `allow_blank=True` then '' is a valid input.
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/util/arrays.py/Array.__ipow__--crossover with--dataset/ETHPy150Open tomchristie/django-rest-framework/tests/test_fields.py/TestChoiceField.test_allow_blank