
Since all of OpenStack in Debian switched to Python 3, we need to use libapache2-mod-wsgi-py3 instead of libapache2-mod-wsgi. This definition follows the upstream doc at: https://forge.puppet.com/puppetlabs/apache/readme (look at mod_packages). Change-Id: I841de2fe44c20419cb61fc1b3d0a77d38ce0c375