Make email.policy classes generic
Cf. #10762
According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉
According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉
According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉
@srittau Since you're currently touching a similar area in #11732 , just letting you know this now has conflicts.
According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉
I need to look at this in depth at some point.
@srittau ping. There's a fairly big merge conflict too.
Redone as #12724.