code: def launch(self, image, command, **kwargs):
          
          if isinstance(command, PythonCall):
              return PythonJob(self, image, command, **kwargs)
          else:
              return Job(self, image, command, **kwargs)
docs: Create a job on this engine
  
          Args:
              image (str): name of the docker image to launch
              command (str): shell command to run