In tree since 2020-08-16. I think we can go a bit earlier for py 3.7 & 3.8. Thanks!
Sanity check failed: > sys-kernel/kergen-0.1.5 > bdepend amd64 exp profile prefix/linux/amd64 (4 total) > dev-lang/python:3.6 > rdepend amd64 exp profile prefix/linux/amd64 (4 total) > dev-lang/python:3.6
amd64 stable
x86 stable. Closing.