def in_degree(self, name):
        indeg = super(DGraphBase, self).in_degree(name)
        if isinstance(indeg, dict):
            return len(indeg)
        return indeg
A case with no steps emits a warning.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/depgraph.py/DGraphBase.in_degree--crossover with--dataset/ETHPy150Open mozilla/moztrap/tests/model/library/test_importer.py/ImporterTest.test_no_step_warning