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-rw-r--r--Doc/whatsnew/3.4.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index ca515f6..9774241 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -231,3 +231,8 @@ that may require changes to your code.
:exc:`NotImplementedError` blindly. This will only affect code calling
:func:`super` and falling through all the way to the ABCs. For compatibility,
catch both :exc:`NotImplementedError` or the appropriate exception as needed.
+
+* The module type now initializes the :attr:`__package__` and :attr:`__loader__`
+ attributes to ``None`` by default. To determine if these attributes were set
+ in a backwards-compatible fashion, use e.g.
+ ``getattr(module, '__loader__', None) is not None``. \ No newline at end of file