def reindex(self, index=None, names=None):
        # NOTE: this isn't of much use if the rest of the data doesn't change
        # This needs to reset cache
        if names is None:
            names = self.group_names
        self = Grouping(index, names)
Transform the ReferenceProperties of the given entity to fix app_id.
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tools/grouputils.py/Grouping.reindex--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/bulkloader.py/RestoreLoader._translate_entity_proto