--- a/rust/hg-pyo3/src/convert_cpython.rs	Sat Dec 07 18:42:06 2024 +0100
+++ b/rust/hg-pyo3/src/convert_cpython.rs	Sat Dec 07 18:54:31 2024 +0100
@@ -222,7 +222,6 @@
 /// static reference. It is possible, depending on `T` that such a leak cannot
 /// occur in practice. We may later on define a marker trait for this,
 /// which will allow us to make declare this function to be safe.
-#[allow(dead_code)]
 pub(crate) unsafe fn py_leaked_borrow<'a, 'py: 'a, T>(
     py: &impl WithGIL<'py>,
     leaked: &'a cpython::UnsafePyLeaked<T>,