./python.exe -m test -R 3:3 test_interpreters Using random seed: 922541786 0:00:00 load avg: 2.79 Run 1 test sequentially 0:00:00 load avg: 2.79 [1/1] test_interpreters beginning 6 repetitions. Showing number of leaks (. for 0 or less, X for 10 or more) 123:456 XX. .../Include/object.h:1030: _Py_NegativeRefcount: Assertion failed: object has negative ref count <object at 0x104847bc0 is freed> Fatal Python error: _PyObject_AssertFailed: _PyObject_AssertFailed Python runtime state: initialized Current thread 0x00000001e11dd000 (most recent call first): <no Python frame> Extension modules: _xxsubinterpreters, _xxinterpqueues (total: 2) zsh: abort ./python.exe -m test -R 3:3 test_interpreters