#312 (Aug 14, 2019, 4:34:07 PM)

1. [python3] Stage 1 of futurize. (commit: 3d3e3c7) (details / githubweb)
2. [python3] Stage 2 of futurize. (commit: b872a90) (details / githubweb)
3. [python3] Removing relative imports for tests. (commit: d0eaa4b) (details / githubweb)

GitHub pull request #136 of commit d0eaa4bca1601273983c8047d9fcf2d483dc4ee7, no merge conflicts.