def _retrieve_value(self, entity, default=None):
    return entity._values.get(self._name, default)
Called when an unknown command is sent to the XMPP bot.
dataset/ETHPy150Open GoogleCloudPlatform/datastore-ndb-python/ndb/model.py/Property._retrieve_value--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/webapp/xmpp_handlers.py/CommandHandlerMixin.unhandled_command