Python 3.13.9

python.org/downloads/release/python-3139 3.13.9 is an expedited release containing a fix for one specific regression in Python 3.13.8:

• gh-139783: Fix inspect.getsourcelines for the case when a decorator is followed by a comment or an empty line.

There are no other changes in this release, compared to 3.13.8.

More resources

• 3.13 online documentation
• PEP 745, 3.13 release schedule
• Report bugs at github.com/python/cpython/issues
• Help fund Python and its community

Enjoy the new releases

Thanks to all of the many volunteers who help make Python Development and this release possible! Please consider supporting our efforts by volunteering yourself or through organisation contributions to the Python Software Foundation.

Your expedited release team,
Your release team,
Thomas Wouters
Ned Deily
Steve Dower
Łukasz Langa

Originally published on Blogger

https://pythoninsider.blogspot.com/2025/10/python-3139-is-now-available.html