Function pycatch

tests/test_exceptions.py:227–231

(exctype, f, *args)

    assert str(excinfo.value) == "nested error"

    def pycatch(exctype, f, *args):  # noqa: ARG001
        try:
            f(*args)
        except m.MyException as e:
            print(e)

    # C++ -> Python -> C++ -> Python
    with capture: