User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0 Build Identifier: F38 contains python3-django.noarch 4.0.2-6.fc37 @fedora python3-django-haystack.noarch 3.0-0.1.b2.fc38.9 @fedora This combination is incompatible: File "/usr/lib/python3.11/site-packages/haystack/admin.py", line 8, in <module> from django.utils.translation import ungettext ImportError: cannot import name 'ungettext' from 'django.utils.translation' (/usr/lib/python3.11/site-packages/django/utils/translation/__init__.py) caused by File: /usr/lib/python3.11/site-packages/haystack/admin.py ... from django.utils.translation import ungettext ... Note that django-haystack 3.2.1 does not contain such import statement ... from django.utils.translation import ngettext ... Hopefully solved by update to a newer version https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1998373 BTW: issue was found during packaging mailman3 3.3.8 Reproducible: Always Steps to Reproduce: 1. try to use django-haystack python module