docs: def set_coverage_placeName(self):
          """Determine the properties for the placeName coverage field."""
          if (self.solr_response
                  and self.solr_response != 'error'
                  and self.solr_response.response != 'error'):
              location_list = self.solr_response.get_location_list_facet().facet_list
          else:
              location_list = []
          form_dict = {
              'view_type': 'prefill',
              'value_json': json.dumps(location_list, ensure_ascii=False),
              'value_py': location_list,
          }
          return form_dict