text: from .JobHandler import JobHandler
  
  
  class SerialJobHandler(JobHandler):
      r"""Serial job-handler."""
  
      ### CLASS VARIABLES ###
  
      __slots__ = ()
  
      ### SPECIAL METHODS ###
  
      def __call__(self, jobs):
          r"""Calls serial job handler.
  
          Returns `jobs`.
          """
          for job in jobs:
              job()
          return jobs
  