It's possible that the callback that webkitscmpy is provided to generate the list of contributors returns None. In that event, we should retain the existing (most likely empty) list of contributors.
<rdar://problem/83693400>
Created attachment 439677 [details] Patch
Comment on attachment 439677 [details] Patch r=me
Created attachment 439683 [details] Patch for landing
Committed r283292 (242317@main): <https://commits.webkit.org/242317@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 439683 [details].