Python 3.15t pathfinder test collection segfaults

[leofang]

The 3.15t pathfinder "see what works" test segfaults

Running pathfinder tests with  LD:see_what_works  FH:see_what_works  BC:see_what_works
/__w/cuda-python/cuda-python/ci/tools/run-tests: line 155:  4249 Segmentation fault      (core dumped) pytest -ra -s -v --durations=0 tests/ 2>&1
      4250 Done                    | tee /tmp/pathfinder_test_log.txt
Error: Process completed with exit code 139.

https://github.com/NVIDIA/cuda-python/actions/runs/27041829125/job/79822100279?pr=2108#step:28:75

Originally posted by @leofang in #2108 (comment)