Method fail

mypy/typeanal.py:1808–1809

(self, msg: str, ctx: Context, *, code: ErrorCode | None = None)

        return typ.accept(self)

    def fail(self, msg: str, ctx: Context, *, code: ErrorCode | None = None) -> None:
        self.fail_func(msg, ctx, code=code)

    def note(self, msg: str, ctx: Context, *, code: ErrorCode | None = None) -> None:
        self.note_func(msg, ctx, code=code)