code: def get_row(self, index):
          
          url = self.build_url(self._endpoints.get('get_row').format(id=index))
          response = self.session.get(url)
          if not response:
              return None
          return self.row_constructor(parent=self, **{self._cloud_data_key: response.json()})
docs: Returns a Row instance at an index