To fix the issues building the python-certbot-doc package on Xenial, you essentially want to revert the commit https://github.com/certbot/certbot/commit/d8057f0e17dc757fae662dad91a6fedc96ad6a2d.
To fix the issues building the python-certbot-doc package on Xenial, you essentially want to revert the commit https:/ /github. com/certbot/ certbot/ commit/ d8057f0e17dc757 fae662dad91a6fe dc96ad6a2d.