#335: Annotations test: Add `clean_exit=True` parameter for `mypy_main` in order to intercept SystemExit (#345)
#335: Annotations test: Add `clean_exit=True` parameter for `mypy_main` in order to intercept SystemExit (#345)

Co-authored-by: USSX-Hares <c2c3aa8b0c275158463ecf9db77f95d585a373ab@yandex.ru>
lidatong/dataclasses-json,lidatong/dataclasses-json