Karthikeyan Singaravelan <tir.kar...@gmail.com> added the comment: Thanks for the report. I have converted the numpy code as a python helper and I am not sure if such a helper exists in the current test suite. Attaching the file that might help as a simple reproducer.
# On master no error ➜ cpython git:(master) ./python.exe ../backups/bpo35030.py # upstream/2.7 branch ➜ cpython git:(2bad7acdfe) ✗ ./python.exe ../backups/bpo35030.py Traceback (most recent call last): File "../backups/bpo35030.py", line 60, in <module> del a File "/Users/karthikeyansingaravelan/stuff/python/cpython/Lib/contextlib.py", line 24, in __exit__ self.gen.next() File "../backups/bpo35030.py", line 53, in assert_no_gc_cycles ) for o in objects_in_cycles AssertionError: Reference cycles were found: 1 objects were collected, of which 1 are shown below: list object with id=4475647608: [<Recursion on list with id=4475647608>, <Recursion on list with id=4475647608>, None] ---------- nosy: +xtreak Added file: https://bugs.python.org/file47885/bpo35030.py _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue35030> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com