def get_label(self, part_number):
        if not validate(part_number, 'partNumber'):
            raise ValueError("%s is not a valid part number" % part_number)

        self.partNumber = part_number
        self._submit("ReturnLabelRequest", "ReturnLabel", "returnLabelData")
        return self._req.objects
m.is_square() --> bool
dataset/ETHPy150Open filipp/py-gsxws/gsxws/returns.py/Return.get_label--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/util/arrays.py/MatrixN.is_square