code: def suspend(rq, ctx, duration):
      "Suspends all workers."
      ctx.invoke(
          rq_cli.suspend,
          duration=duration,
          **shared_options(rq)
      f suspend(rq, ctx, duration):
      "Suspends all workers."
      ctx.invoke(
          rq_cli.suspend,
          duration=duration,
          **shared_options(rq)
      )
docs: Suspends all workers.