Blender 2.93.4 and 2.93.3 crash when activating addon

[lucagal]

Hi, I tried for days to fix the problem, but no way. In Windows 8.1 I installed the weekly build of open3d with python 3.9 and it worked, also if with some interference with other addons, until i made the blender update to 2.93.3 . After that Blender exit always if I try to activate the addon. Previously it strangely made some python script to give errors and then I had to deactivate the addon in Blender 2.93.2. Any suggestion would be appreciated, thank you

[vicdoval]

if you input import open3d in the python console does it work?

[lucagal]

No, I tried and Blender exit immediately also if i send the command 'import open3d' from it's console. But if I try from the python console ( or terminal) outside Blender the command 'import open3d' works fine.Inviato dal mio Galaxy -------- Messaggio originale --------Da: Victor Doval @.> Data: 05/09/21 14:29 (GMT+01:00) A: vicdoval/sverchok-open3d @.> Cc: lucagal @.>, Author @.> Oggetto: Re: [vicdoval/sverchok-open3d] Blender 2.93.4 and 2.93.3 crash when activating addon (#5) if you input import open3d in the python console does it work?

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[satabol]

I have with this situation in Windows:

1. I use Sverchok-Extra addon (with pygalmesh installed) with Sverchok-Open3D (with open3d installed)
2. Sverchok-open3D activates after Sverchok-Extra addon:

Check addons order activation:

for addon in bpy.context.preferences.addons:
	print(addon)

If "sverchok open3d" is after "sverchok-extra" then Blender crash. You need change addons start order. As you can see in this example "sverchok-open3d" addon activates before "sverchok extra". To set this order you need to deactivate "sverchok-extra" and activate it again. This will move an "sverchok extra" at the end of list of activation.

If you cannot start Blender then uninstall open3d library manually:

E:\install\Blender\blender-3.6.9-windows-x64\3.6\python\bin\python.exe -m pip uninstall open3d

then try start Blender. Change addons start order and install open3d library again. Then try restart Blender. Let me know is it help?