Method msg_callback

crates/stdlib/src/openssl.rs:1788–1790

(&self)

        #[pygetset(name = "_msg_callback")]
        fn msg_callback(&self) -> Option<PyObjectRef> {
            self.msg_callback.lock().clone()
        }

        #[pygetset(setter, name = "_msg_callback")]
        fn set_msg_callback(