code: def city_district(self):
      city_district = self._components.get("city_district")
      if city_district:
          return city_district
      else:
          return self.neighbourhood_aliases
  
imports: from __future__ import absolute_import
  import logging
  from geocoder.location import BBox
  from geocoder.base import OneResult, MultipleResultsQuery
  from geocoder.keys import opencage_key
label_desc: Use image node_id 21 for calling the OpenCageResult obj's underlying member method code with example usage: obj.city_district() and returns: city_district, self