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-rw-r--r--Doc/whatsnew/3.4.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 23ccae2..1054c68 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -269,3 +269,6 @@ that may require changes to your code.
* Frozen packages no longer set ``__path__`` to a list containg the package name
but an empty list instead. Determing if a module is a package should be done
using ``hasattr(module, '__path__')``.
+
+* :c:func:`PyErr_SetImportError` now sets :exc:`TypeError` when its **msg**
+ argument is not set. Previously only ``NULL`` was returned.