docs: def get_elapsed_timestamp(self) -> str:
          """
          A human-readable version of the elapsed time for the last execution
          of the step. The value is derived from the `ProjectStep.elapsed_time`
          property.
          """
          t = self.elapsed_time
          minutes = int(t / 60)
          seconds = int(t - (60 * minutes))
          millis = int(100 * (t - int(t)))
          return '{:>02d}:{:>02d}.{:<02d}'.format(minutes, seconds, millis)