pygion: Update auto-detect logic to account for legion_python capabilities.
pygion: Update auto-detect logic to account for legion_python capabilities.

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion