Inspired by
https://salsa.debian.org/science-team/sagemath/-/blob/master/debian/patches/u0-version-python-3.8.patch
we do

git grep -l ^\ \*[A-Za-z]\*Error.\*can\'t | xargs sed -i.bak s/Error:\ \\\(.*\\\)an\'t/Error:\ \\1an...t/ 

CC: @jhpalmieri @tobihan @fchapoton @antonio-rojas @kiwifb

Component: python3

Author: Matthias Koeppe

Branch/Commit: c43343c

Reviewer: Antonio Rojas

Issue created by migration from https://trac.sagemath.org/ticket/30162