code: def get_values(self, *args, **kwargs):
          
          if isinstance(args[0], list):
              raise ValueError("Can only get_values() for a single tag.")
  
          response = self.get_datapoints(*args, **kwargs)
          for value in response['tags'][0]['results'][0]['values']:
              yield [datetime.datetime.utcfromtimestamp(value[0]/1000),
                     value[1],
                     value[2]]
docs: Convenience method that for simple single tag queries will
          return just the values to be iterated on.