code: def respect_language(language):
      
      if language:
          prev = translation.get_language()
          translation.activate(language)
          try:
              yield
          finally:
              translation.activate(prev)
      else:
          yield
docs: Context manager that changes the current translation language for
      all code inside the following block.
  
      Can e.g. be used inside tasks like this::
  
          from celery import task
          from djcelery.common import respect_language
  
          @task
          def my_task(language=None):
              with respect_language(language):
                  pass