pyo3/tests/ui/missing_intopy.stderr

error[E0277]: `Blah` cannot be converted to a Python object
 --> tests/ui/missing_intopy.rs:4:14
  |
4 | fn blah() -> Blah{
  |              ^^^^ the trait `IntoPy<Py<PyAny>>` is not implemented for `Blah`, which is required by `Blah: OkWrap<_>`
  |
  = note: `IntoPy` is automatically implemented by the `#[pyclass]` macro
  = note: if you do not wish to have a corresponding Python type, implement `IntoPy` manually
  = note: if you do not own `Blah` you can perform a manual conversion to one of the types in `pyo3::types::*`
  = help: the trait `OkWrap<T>` is implemented for `Result<T, E>`
  = note: required for `Blah` to implement `OkWrap<Blah>`