docs: def time(self):
          """Retrieve the current time from the redis server.
  
          :rtype: float
          :raises: :exc:`~tredis.exceptions.RedisError`
  
          """
  
          def format_response(value):
              """Format a TIME response into a datetime.datetime
  
              :param list value: TIME response is a list of the number
                  of seconds since the epoch and the number of micros
                  as two byte strings
              :rtype: float
  
              """
              seconds, micros = value
              return float(seconds) + (float(micros) / 1000000.0)
  
          return self._execute([b'TIME'], format_callback=format_response)