docs: def raw_query(self, query, format=None, pretty=False):
          '''Executes a YQL query and returns a response
          >>>...
          >>> resp = yql.raw_query('select * from weather.forecast where woeid=2502265')
          >>>
          '''
          if format:
              format = format
          else:
              format = self.format
  
          payload = self._payload_builder(query, format=format)
          response = self.execute_query(payload)
          if pretty:
              response = self.response_builder(response)
  
          return response