# Blender 3.0.0, Commit date: 2021-12-02 18:35, Hash f1cca3055776

# backtrace
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(BLI_system_backtrace+0x20) [0xb0b3460]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10babdb]
/usr/lib/libc.so.6(+0x3cda0) [0x7fa19c801da0]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_ZN5Eigen8internal12print_matrixINS_6MatrixIdLin1ELi1ELi0ELin1ELi1EEEEERSoS4_RKT_RKNS_8IOFormatE+0x510) [0x2581510]
/home/sam/develop/chrono-test/pychrono-test/addons/cpp_test/cpp/_example.so(_ZN5EigenlsINS_7ProductINS_6MatrixIdLin1ELin1ELi0ELin1ELin1EEENS2_IdLin1ELi1ELi0ELin1ELi1EEELi0EEEEERSoS6_RKNS_9DenseBaseIT_EE+0x1d3) [0x7fa176c055e6]
/home/sam/develop/chrono-test/pychrono-test/addons/cpp_test/cpp/_example.so(_Z11matrix_testi+0xc9) [0x7fa176c048e3]
/home/sam/develop/chrono-test/pychrono-test/addons/cpp_test/cpp/_example.so(+0x1bc3e) [0x7fa176c0ec3e]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x9c71d13]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x661d) [0x10b480d]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10ad28b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x661d) [0x10b480d]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10ad28b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x661d) [0x10b480d]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x9ce0c84]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyFunction_Vectorcall+0x9a) [0x9c3321a]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0x10b3bbc]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10ad28b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0x10b3bbc]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x9ce0c84]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyFunction_Vectorcall+0x9a) [0x9c3321a]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x661d) [0x10b480d]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10ad28b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0x10b3bbc]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x9ce0c84]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalCodeWithName+0x4e) [0x9ce0fce]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(PyEval_EvalCodeEx+0x3e) [0x9ce101e]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(PyEval_EvalCode+0x1b) [0x9ce104b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x9de0611]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x9c72004]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(PyVectorcall_Call+0x5f) [0x9c32f1f]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x4199) [0x10b2389]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x9ce0c84]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyFunction_Vectorcall+0x9a) [0x9c3321a]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x661d) [0x10b480d]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10ad28b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x678a) [0x10b497a]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10ad28b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0x10b3bbc]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10ad28b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0x10b3bbc]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10ad28b]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x9c33b98]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(_PyObject_CallMethodIdObjArgs+0xf8) [0x9c33ec8]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(PyImport_ImportModuleLevelObject+0x49a) [0x9d01c4a]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(PyImport_ImportModuleLevel+0x39) [0x9d02249]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x1c0e600]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(BPy_init_modules+0x359) [0x1c0ead9]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(BPY_python_start+0x1dd) [0x1bf85dd]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(WM_init+0x19d) [0x14d317d]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender(main+0x2a8) [0xfa3b48]
/usr/lib/libc.so.6(__libc_start_main+0xd5) [0x7fa19c7ecb25]
/home/sam/Documents/blender/blender-3.0.0-linux-x64/blender() [0x10b753c]

# Python backtrace
  File "/home/sam/develop/chrono-test/pychrono-test/addons/cpp_test/cpp/example.py", line 66 in matrix_test
  File "/home/sam/develop/chrono-test/pychrono-test/addons/cpp_test/__init__.py", line 11 in register
  File "/home/sam/Documents/blender/blender-3.0.0-linux-x64/3.0/scripts/modules/addon_utils.py", line 387 in enable
  File "/home/sam/Documents/blender/blender-3.0.0-linux-x64/3.0/scripts/modules/addon_utils.py", line 47 in _initialize
  File "/home/sam/Documents/blender/blender-3.0.0-linux-x64/3.0/scripts/modules/bpy/utils/__init__.py", line 317 in load_scripts
  File "/home/sam/Documents/blender/blender-3.0.0-linux-x64/3.0/scripts/modules/bpy/__init__.py", line 76 in main
  File "/home/sam/Documents/blender/blender-3.0.0-linux-x64/3.0/scripts/modules/bpy/__init__.py", line 79 in <module>
  File "<frozen importlib._bootstrap>", line 228 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 850 in exec_module
  File "<frozen importlib._bootstrap>", line 680 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 986 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 1007 in _find_and_load