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[BUG]: Python 3.14a7 breaks reference call policy test test50_call_policy() #1006
Description
Problem description
Some change in the latest Python 3.14a7 version breaks something in a pretty complex testcase related to call policies. See, e.g., https://github.com/wjakob/nanobind/actions/runs/14372986244/job/40299390299. Tagging @oremanj who wrote this testcase. I must admit I don't really grasp what is happening and how it interacts with this testcase.
Reproducible example code
See https://github.com/wjakob/nanobind/actions/runs/14372986244/job/40299390299
Activity
wjakob commentedon Apr 10, 2025
Humm, I see now that other tests are also failing, not just test50.
wjakob commentedon Apr 10, 2025
I opened an issue in the Python tracker to ask for help: python/cpython#132346
[-][BUG]: Python 3.17a7 breaks reference call policy test `test50_call_policy()`[/-][+][BUG]: Python 3.14a7 breaks reference call policy test `test50_call_policy()`[/+]wjakob commentedon Apr 10, 2025
I bisected this to a specific commit/PR (python/cpython#130708), and it looks like this may be an intentional change.