[Pkg-mailman-hackers] Bug#1093903: mailman3: mailman-wrapper -h yields python backtrace

[Peter Chubb]

Package: mailman3
Version: 3.3.10-2
Followup-For: Bug #1093903

If I explicitly give the c onfig file things work:
	sudo -u list mailman -C /etc/mailman3/mailman.cfg -h
works correctly.

-- System Information:
Debian Release: forky/sid
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'unstable'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.12.41+deb13-cloud-amd64 (SMP w/1 CPU thread; PREEMPT)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages mailman3 depends on:
ii  cron [cron-daemon]          3.0pl1-197
ii  dbconfig-sqlite3            2.0.25
ii  debconf [debconf-2.0]       1.5.91
ii  init-system-helpers         1.69
ii  logrotate                   3.22.0-1
ii  python3                     3.13.7-1
ii  python3-aiosmtpd            1.4.6-5
ii  python3-alembic             1.13.2-4
ii  python3-authheaders         0.16.3-1
ii  python3-authres             1.2.0-5
ii  python3-click               8.2.0+0.really.8.1.8-1
ii  python3-dateutil            2.9.0-4
ii  python3-dnspython           2.7.0-1
ii  python3-falcon              3.1.1-5+b1
ii  python3-flufl.bounce        4.0-6
ii  python3-flufl.i18n          5.1.0-1
ii  python3-flufl.lock          8.2.0-1
ii  python3-gunicorn            23.0.0-1
ii  python3-lazr.config         3.1-1
ii  python3-passlib             1.7.4-6
ii  python3-psycopg2            2.9.10-1+b1
ii  python3-public              4.1.0-2
ii  python3-requests            2.32.4+dfsg-1
ii  python3-sqlalchemy          2.0.43+ds1-1
ii  python3-standard-nntplib    3.13.0-5
ii  python3-zope.component      6.0-1
ii  python3-zope.configuration  6.0-1
ii  python3-zope.event          5.0-0.1
ii  python3-zope.interface      7.2-1+b1
ii  ucf                         3.0052

Versions of packages mailman3 recommends:
ii  exim4-daemon-custom [mail-transport-agent]  4.98.2-2

Versions of packages mailman3 suggests:
pn  anacron             <none>
ii  lynx [www-browser]  2.9.2-1
pn  mailman3-doc        <none>
ii  postgresql          17+282

-- debconf information:
  mailman3/db/app-user: mailman3 at localhost
  mailman3/pgsql/authmethod-admin: ident
  mailman3/upgrade-error: abort
  mailman3/internal/reconfiguring: false
  mailman3/remote/newhost:
  mailman3/mysql/method: Unix socket
  mailman3/purge: false
  mailman3/database-type: pgsql
  mailman3/mysql/admin-user:
  mailman3/remove-error: abort
  mailman3/dbconfig-reinstall: false
  mailman3/mysql/authplugin: default
  mailman3/pgsql/changeconf: false
  mailman3/db/dbname: mailman3
* mailman3/dbconfig-install: false
  mailman3/pgsql/no-empty-passwords:
  mailman3/remote/port:
  mailman3/pgsql/admin-user: postgres
  mailman3/passwords-do-not-match:
  mailman3/pgsql/manualconf:
  mailman3/db/basepath:
  mailman3/install-error: abort
  mailman3/config_hyperkitty:
  mailman3/pgsql/authmethod-user: password
  mailman3/dbconfig-upgrade: true
  mailman3/upgrade-backup: true
  mailman3/pgsql/method: TCP/IP
  mailman3/remote/host: localhost
  mailman3/dbconfig-remove: true
  mailman3/missing-db-package-error: abort
  mailman3/init_service_failed:
  mailman3/internal/skip-preseed: false