docs: def timeit(self, metric, func, *args, **kwargs):
          """
          Times given function and log metric in ms for duration of execution.
  
          >>> import time
          >>> client = StatsdClient()
          >>> client.timeit("latency", time.sleep, 0.5)
          """
          (res, seconds) = timeit(func, *args, **kwargs)
          self.timing(metric, seconds * 1000.0)
          return res