def method(
            self,
            filename: str,
            a: int = 17,
            b: str = "hello",
        ) -> tuple[int, str, int, str]:
            """The method we'll wrap, with args to be sure args work."""
            return (self.x, filename, a, b)
The method we'll wrap, with args to be sure args work.
tests/test_testing.py