code: func (c *Container) Unpause(ctx context.Context) error {
  	if c.container.State.Paused {
  		if err := c.client.ContainerUnpause(ctx, c.container.ID); err != nil {
  			return err
  		}
  		return c.updateInnerContainer(ctx)
  	}
  	return nil
  }
docs: // Unpause unpauses the container. If the containers are not paused, don't fail.