error: #[pyclass] cannot have generic parameters. For an explanation, see https://pyo3.rs/v0.23.0-dev/class.html#no-generic-parameters --> tests/ui/reject_generics.rs:4:25 | 4 | struct ClassWithGenerics { | ^ error: #[pyclass] cannot have lifetime parameters. For an explanation, see https://pyo3.rs/v0.23.0-dev/class.html#no-lifetime-parameters --> tests/ui/reject_generics.rs:9:27 | 9 | struct ClassWithLifetimes<'a> { | ^^