[Bug 1760506] Re: mm_cfg.py syntax error is handled ungracefully

** Branch linked: lp:~pydotorg/mailman/production21 -- You received this bug notification because you are a member of Mailman Coders, which is subscribed to GNU Mailman. https://bugs.launchpad.net/bugs/1760506 Title: mm_cfg.py syntax error is handled ungracefully To manage notifications about this bug go to: https://bugs.launchpad.net/mailman/+bug/1760506/+subscriptions