This is not a bug. It is a misconfiguration. What you want to do is put
DEFAULT_URL_PATTERN = 'https://%s/mailman/'
in mm_cfg.py and then run bin/fix_url.py to update your existing lists, e.g.
bin/withlist -l -a -r fix_url -- [fix_url options]
but first run bin/fix_url.py stand alone for help.
This is not a bug. It is a misconfiguration. What you want
to do is put
DEFAULT_URL_PATTERN = 'https:/ /%s/mailman/ '
in mm_cfg.py and then run bin/fix_url.py to update your
existing lists, e.g.
bin/withlist -l -a -r fix_url -- [fix_url options]
but first run bin/fix_url.py stand alone for help.