On https://librarycarpentry.org/lc-git/reference.html under **Useful library GitHub repositories** the link to pyMarc is now located here https://gitlab.com/pymarc/pymarc in gitlab.
On https://librarycarpentry.org/lc-git/reference.html under Useful library GitHub repositories the link to pyMarc is now located here https://gitlab.com/pymarc/pymarc in gitlab.