error[E0277]: the trait bound `i32: From<&PyCell>` is not satisfied --> tests/ui/invalid_pymethod_receiver.rs:8:43 | 8 | fn method_with_invalid_self_type(slf: i32, py: Python<'_>, index: u32) {} | ^^^ the trait `From<&PyCell>` is not implemented for `i32` | = help: the following other types implement trait `From`: > > > > > > > > and $N others = note: required for `&PyCell` to implement `Into` = note: required for `i32` to implement `TryFrom<&PyCell>`