error[E0271]: type mismatch resolving `<ComplexEnum as PyClass>::Frozen == False`
  --> tests/ui/invalid_pymethod_enum.rs:11:24
   |
11 |     fn mutate_in_place(&mut self) {
   |                        ^ expected `False`, found `True`
   |
note: required by a bound in `extract_pyclass_ref_mut`
  --> src/impl_/extract_argument.rs
   |
   | pub fn extract_pyclass_ref_mut<'a, 'py: 'a, T: PyClass<Frozen = False>>(
   |                                                        ^^^^^^^^^^^^^^ required by this bound in `extract_pyclass_ref_mut`