Hi I tried a few reproducible builds [1] and it fails more often than not. It seems to be slightly more reliable on arm64. I've copied the output of the failing test below.
It looks like the same test failure described in #1053546 [2], and a patch is available there. Regards Graham [1] https://tests.reproducible-builds.org/debian/rb-pkg/zict.html [2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1053546 zict/tests/test_lru.py::test_stress_different_keys_threadsafe +++++++++++++++++++++++++++++++++++ Timeout ++++++++++++++++++++++++++++++++++++ ~~~~~~~~~~~~~ Stack of ThreadPoolExecutor-174_1 (140302815848128) ~~~~~~~~~~~~~~ File "/usr/lib/python3.14/threading.py", line 1044, in _bootstrap self._bootstrap_inner() File "/usr/lib/python3.14/threading.py", line 1082, in _bootstrap_inner self._context.run(self.run) File "/usr/lib/python3.14/threading.py", line 1024, in run self._target(*self._args, **self._kwargs) File "/usr/lib/python3.14/concurrent/futures/thread.py", line 119, in _worker work_item.run(ctx) File "/usr/lib/python3.14/concurrent/futures/thread.py", line 86, in run result = ctx.run(self.task) File "/usr/lib/python3.14/concurrent/futures/thread.py", line 73, in run return fn(*args, **kwargs) File "/build/reproducible-path/zict-3.0.0/.pybuild/cpython3_3.14_zict/build/zict/tests/utils_test.py", line 173, in worker z[key] = value File "/build/reproducible-path/zict-3.0.0/.pybuild/cpython3_3.14_zict/build/zict/lru.py", line 138, in __setitem__ self.evict_until_below_target() File "/build/reproducible-path/zict-3.0.0/.pybuild/cpython3_3.14_zict/build/zict/lru.py", line 180, in evict_until_below_target self.evict() File "/build/reproducible-path/zict-3.0.0/.pybuild/cpython3_3.14_zict/build/zict/common.py", line 127, in wrapper return func(*args, **kwargs) File "/build/reproducible-path/zict-3.0.0/.pybuild/cpython3_3.14_zict/build/zict/lru.py", line 227, in evict cb(key, value) File "/build/reproducible-path/zict-3.0.0/.pybuild/cpython3_3.14_zict/build/zict/tests/test_lru.py", line 424, in slow_cb time.sleep(0.01)

