newsfragment, CI

Author: davidhewitt

newsfragments/5468.added.md

@@ -0,0 +1 @@
+Add `CastError` and `CastIntoError`.

newsfragments/5468.changed.md

@@ -0,0 +1 @@
+Replace `DowncastError` and `DowncastIntoError` with `CastError` and `CastIntoError`.

src/err/mod.rs

@@ -321,7 +321,7 @@ impl PyErr {
             #[cfg(debug_assertions)]
             None => panic!("{}", FAILED_TO_FETCH),
             #[cfg(not(debug_assertions))]
-            None => exceptions::PySystemError::new_err(FAILED_TO_FETCH),
+            None => crate::exceptions::PySystemError::new_err(FAILED_TO_FETCH),
         }
     }