# Blender 3.0.0, Commit date: 2021-10-16 12:26, Hash 4a00faca1a5e
bpy.data.window_managers["WinMan"].addon_filter = 'User'  # Property
bpy.data.window_managers["WinMan"].addon_filter = 'All'  # Property
bpy.context.space_data.shading.type = 'RENDERED'  # Property

# backtrace
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(BLI_system_backtrace+0x33) [0xaf6ba73]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x104f8cb]
/usr/lib/libc.so.6(+0x3cda0) [0x7fe22fcbbda0]
/usr/lib/libnvoptix.so.1(+0x746884) [0x7fe1c6461884]
/usr/lib/libnvoptix.so.1(+0x748d55) [0x7fe1c6463d55]
/usr/lib/libnvoptix.so.1(+0x7494dd) [0x7fe1c64644dd]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(_ZN3ccl11OptiXDeviceD1Ev+0x13a) [0x2b2653a]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(_ZN3ccl11OptiXDeviceD0Ev+0xf) [0x2b2673f]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(_ZN3ccl7SessionD1Ev+0x71) [0x3044d71]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(_ZN3ccl14BlenderSession12free_sessionEv+0x53) [0x2a84e83]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(_ZN3ccl14BlenderSessionD1Ev+0x29) [0x2a84ed9]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x2a7d199]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x9a7b153]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(_PyEval_EvalFrameDefault+0x661d) [0x104925d]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x1041cab]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(_PyEval_EvalFrameDefault+0x661d) [0x104925d]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x1041cab]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x9a9db97]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(PyObject_CallFinalizer+0x2d) [0x9a7d2ed]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(PyObject_CallFinalizerFromDealloc+0x1b) [0x9a7f34b]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x9a91b61]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(BPY_DECREF_RNA_INVALIDATE+0x48) [0x1b8ebe8]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(RE_engine_free+0x12) [0x940f7d2]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(ED_view3d_stop_render_preview+0x4d) [0x211a60d]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(ED_region_exit+0x49) [0x1bc4459]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(ED_area_exit+0x73) [0x1bc45b3]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(ED_screen_exit+0xdb) [0x1bc4ddb]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(WM_exit_ex+0x157) [0x145acf7]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(WM_exit+0xe) [0x145b0ee]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x145b119]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x144afa1]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender() [0x144c04d]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(wm_event_do_handlers+0x248) [0x144c5d8]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(WM_main+0x20) [0x1441e70]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(main+0x336) [0xf3f9e6]
/usr/lib/libc.so.6(__libc_start_main+0xd5) [0x7fe22fca6b25]
/home/shannon/bin/blender/blender-git/build_linux/bin/blender(_start+0x2e) [0x104bf9e]

# Python backtrace
  File "/home/shannon/bin/blender/blender-git/build_linux/bin/3.0/scripts/addons/cycles/engine.py", line 98 in free
  File "/home/shannon/bin/blender/blender-git/build_linux/bin/3.0/scripts/addons/cycles/__init__.py", line 69 in __del__