error[E0277]: the trait bound `TestClass: Clone` is not satisfied --> tests/ui/missing_clone.rs:15:32 | 15 | let t: TestClass = pyvalue.extract(py).unwrap(); | ^^^^^^^ the trait `Clone` is not implemented for `TestClass` | = note: required because of the requirements on the impl of `pyo3::FromPyObject<'_>` for `TestClass` note: required by a bound in `pyo3::Py::::extract` --> src/instance.rs | | D: FromPyObject<'p>, | ^^^^^^^^^^^^^^^^ required by this bound in `pyo3::Py::::extract`