sha,message,author_date,committer_date,raw_author,raw_committer,repo,author,committer
2d7fa8b9058dfbf9c7c371cdeec115d32a177dc9,"Use None as a default arg (#901)

Thanks, @fcatus!

* Use None as a default arg
* Black formatting fix

Co-authored-by: Simon Willison <swillison@gmail.com>",2020-07-31T18:42:38Z,2020-07-31T18:42:38Z,46e4cbbe1f073e93ec59b6ee14963e6b1c627496,cd792325681cbad9f663f2879d8b69f1edbb678f,107914493,56323389,19864447