lanzou is being installed using the legacy 'setup.py install' method

[yanzx6]

Install with the latest python3 pip 23.1 will show the following warning messages:

  DEPRECATION: lanzou is being installed using the legacy 'setup.py install' method, because it does not have a 'pyproject.toml' and the 'wheel' package is not installed. pip 23.1 will enforce this behaviour change. A possible replacement is to enable the '--use-pep517' option. Discussion can be found at https://github.com/pypa/pip/issues/8559
  Running setup.py install for lanzou ... done

Seems like a new version release with latest setup should fix this warning.