def get_value_for_datastore(self, model_instance):
    if self.auto_current_user:
      return users.get_current_user()
    return super(UserProperty, self).get_value_for_datastore(model_instance)
Get value from property to send to datastore.
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/db/__init__.py/UserProperty.get_value_for_datastore