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gltf2 import: TypeError: '>=' not supported between instances of 'tuple' and 'int'
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System Information
Operating system: Windows 10
Graphics card: NVIDIA GeForce RTX 2080 Ti FE (x2)

Blender Version
Broken: 2.80 337eb8c1de4c
Worked: N/A

Short description of error
Importing glTF 2.0 file results in an error in on line 135:
TypeError: '>=' not supported between instances of 'tuple' and 'int'

Exact steps for others to reproduce the error
I simply tried to import a glTF file that I exported from VRoidStudio.

I fixed it locally...
I noticed a nested 'for' loop around line 149 in using the same variable 'i' as in the outer loop, and this 'i' appears to be clobbering the existing 'i'. Changing this inner loop to a different variable, like 'ind' (for index), resolved the error. (The mesh and armature doesn't load well, but it loads.)

I renamed the VRM file to GLB and zipped it here, so you can perform the same test:



Event Timeline

Brian Jared (bjared) updated the task description. (Show Details)

Are sure about this? I haven't had time to test the glTF import, but the actual error from line 135 surely can't be fixed by editing code that happens after it. Also I don't see a nested loop in 149 where i would be shadowed. Can you submit a patch/diff? This is probably easier to discuss.

Julien DUROURE (julien) triaged this task as Needs Information from User priority.Apr 5 2019, 12:24 PM

Can you please try with a more recent build.
This should already been fixed few days ago.

Hi, Julien. I just downloaded the WIndows 64-bit build (d140e597a6a8), and it works.

I see on line 112 of, the outer loop's iterator was changed from 'i' to 'sk' which is why that error no longer appears.

I should have checked for a newer build before posting. My apologies, and thank you for looking into this so quickly.

Brecht Van Lommel (brecht) closed this task as Resolved.Apr 5 2019, 6:11 PM