Add a sanity check for a missing derive
for exception groups#3176
Closed
A5rocks wants to merge 2 commits intopython-trio:mainfrom
Closed
Add a sanity check for a missing `derive` for exception groups#3176A5rocks wants to merge 2 commits intopython-trio:mainfrom
A5rocks wants to merge 2 commits intopython-trio:mainfrom