code: def task(self, task_name):
          
          return Task(uri=':'.join((self._engine_name, task_name)), cwd=self._cwd)
docs: Returns an ENVI Py Engine Task object. See ENVI Py Engine Task for examples.
  
          :param task_name: The name of the task to retrieve.
          :return: An ENVI Py Engine Task object.