[InterNetNews/inn] 3d9211: mm_ckpasswd: Convert to Python 3

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 3d9211dc27109652aae957fc65d10ec503e20022
      https://github.com/InterNetNews/inn/commit/3d9211dc27109652aae957fc65d10ec503e20022
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2021-09-22 (Wed, 22 Sep 2021)

  Changed paths:
    M contrib/mm_ckpasswd

  Log Message:
  -----------
  mm_ckpasswd:  Convert to Python 3