pyo3/tests/ui/traverse.stderr

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error: __traverse__ may not take `Python`. Usually, an implementation of `__traverse__` should do nothing but calls to `visit.call`. Most importantly, safe access to the GIL is prohibited inside implementations of `__traverse__`, i.e. `Python::with_gil` will panic.
--> tests/ui/traverse.rs:18:32
|
18 | fn __traverse__(&self, py: Python<'_>, visit: PyVisit<'_>) -> Result<(), PyTraverseError> {
| ^^^^^^^^^^
error[E0308]: mismatched types
--> tests/ui/traverse.rs:9:6
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8 | #[pymethods]
| ------------ arguments to this function are incorrect
9 | impl TraverseTriesToTakePyRef {
| ______^
10 | | fn __traverse__(slf: PyRef<Self>, visit: PyVisit) {}
| |___________________^ expected fn pointer, found fn item
|
= note: expected fn pointer `for<'a, 'b> fn(&'a TraverseTriesToTakePyRef, PyVisit<'b>) -> Result<(), PyTraverseError>`
found fn item `for<'a, 'b> fn(pyo3::PyRef<'a, TraverseTriesToTakePyRef>, PyVisit<'b>) {TraverseTriesToTakePyRef::__traverse__}`
note: function defined here
--> src/impl_/pymethods.rs
|
| pub unsafe fn call_traverse_impl<T>(
| ^^^^^^^^^^^^^^^^^^