code: def get_series(self, key):
          
  
          url = make_series_url(key)
          resp = self.session.get(url)
          return resp
docs: Get a series object from TempoDB given its key.
  
          :param string key: a string name for the series
          :rtype: :class:`tempodb.response.Response` with a
                  :class:`tempodb.protocol.objects.Series` data payload