[aur-requests] [PRQ#19884] Merge Request for python2-cgen

mschu [1] filed a request to merge python2-cgen [2] into python-cgen [3]: v2020.1 requries python>3.6; I maintain both [1] https://aur.archlinux.org/account/mschu/ [2] https://aur.archlinux.org/pkgbase/python2-cgen/ [3] https://aur.archlinux.org/pkgbase/python-cgen/