Add support for the virtual BINARY_TAG x86_64-centos7-gcc9+py3-opt (!136) · Merge requests · LHCb Core Software / LbDevTools · GitLab

Marco Clemencic requested to merge add-support-for-py3-binary-tag into master Jul 01, 2020

which means use LCG_XYpython3 instead of LCG_XY.

This also includes some recent updates from Gaudi.