Error regenerating POT file for gnome-keysign
https://l10n.gnome.org/module/gnome-keysign/ shows this:
Error regenerating POT file for locale:
cd ../.. && /usr/local/www/gnomeweb/virtualenv3/bin/python setup.py extract_messages
/bin/sh: /usr/local/www/gnomeweb/virtualenv3/bin/python: No such file or directory