def __get_module_from_str(self, modname, print_exception):
        try:
            mod = __import__(modname)
            for part in modname.split('.')[1:]:
                mod = getattr(mod, part)
            return mod
        except:
            if print_exception:
                import traceback;traceback.print_exc()
                sys.stderr.write('ERROR: Module: %s could not be imported.\n' % (modname,))
            return None
Start storage only node, keeps same param list as full node, but
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/common/diagnostic/pydevDebug/runfiles.py/PydevTestRunner.__get_module_from_str--crossover with--dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/utilities/storage_node.py/start_node