def get_iotype(self, name):
        if self.get_trait(name) is None:
            self.raise_exception("'%s' not found" % name)
        return self.iotype
Test the seek functionality.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/vartree.py/VariableTree.get_iotype--crossover with--dataset/ETHPy150Open log2timeline/dfvfs/tests/file_io/data_range_io.py/DataRangeTest.testSeek