[mypyc] Set dunder attrs when adding module to sys.modules#21275

p-sawicki wants to merge 5 commits intopython:masterpython/mypy:masterfrom

p-sawicki:set-dunder-attrs-when-adding-to-sys-modulesp-sawicki/mypy:set-dunder-attrs-when-adding-to-sys-modulesCopy head branch name to clipboard