code: def get_cycle_time(self, issue_or_start_or_key):
          
          if isinstance(issue_or_start_or_key, basestring):
              issue_or_start_or_key = self.get_issue(issue_or_start_or_key)
  
          if isinstance(issue_or_start_or_key, jira.resources.Issue):
              progress_started = self.get_datetime_issue_in_progress(issue_or_start_or_key)
          elif isinstance(issue_or_start_or_key, datetime.datetime):
              progress_started = issue_or_start_or_key
  
          curr_time = datetime.datetime.now(dateutil.tz.tzlocal())
          return utils.working_cycletime(progress_started, curr_time)
docs: Provided an issue or a start datetime, will return the cycle time since the start or progress