F29 Self Contained Change: Update comps to use Python 3

= Proposed self contained change = https://fedoraproject.org/wiki/Changes/Update_comps_to_use_python3 * Owner: churchyard Change the comps groups python-classroom, engineering-and-scientific, development-libs, cloud-management, font-design, mysql, robotics-suite, authoring-and-publishing and

F29 Self Contained Change: Update comps to use Python 3

= Proposed self contained change = https://fedoraproject.org/wiki/Changes/Update_comps_to_use_python3 * Owner: churchyard Change the comps groups python-classroom, engineering-and-scientific, development-libs, cloud-management, font-design, mysql, robotics-suite, authoring-and-publishing and