code: def unblock_pin(ctx, puk, new_pin):
      
      controller = ctx.obj['controller']
      if not puk:
          puk = click.prompt(
              'Enter PUK', default='', show_default=False,
              hide_input=True, err=True)
      if not new_pin:
          new_pin = click.prompt(
              'Enter a new PIN', default='',
              show_default=False, hide_input=True, err=True)
      controller.unblock_pin(puk, new_pin)
docs: Unblock the PIN.
  
      Reset the PIN using the PUK code.