This update for python-markdown2 fixes the following issues:
Update to 2.4.0 (boo#1181270):
[pull #387] Regex DoS fixes (CVE-2021-26813, boo#1183171)
update to 2.3.9:
[pull #350] XSS fix
This update was imported from the openSUSE:Leap:15.2:Update update project.