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[Carolyn Tett]

Hello,

I was having issues using the Validator GUI (clicking on an error resulted in 30s wait times, each). I tried updating my NVIDIA driver and reinstalling idtracker (for my experiments, I need to use version 5.2.12 to keep our video analysis consistent). Following the steps on the Installation page and installing the PyTorch version consistent with my CUDA version, I am now receiving an error I've never seen before (attached) when I try to open a session folder. After trajectories are finished loading, the GUI completely crashes and I receive the error.

The idtracker version used to create the session folder was the same as the newly installed environment-- v. 5.2.12-- but I cannot tell if the Python version was the same. When I reinstalled idtracker, I used Python version 3.12.

I'm really not sure how to remedy the situation. Any help would be greatly appreciated!

Thank you!

Carolyn

[idtracker.ai]

Hi Carolyn,

Superqt, one of the dependencies of idtrackerai, was upgraded lately causing our GUIs to fail. This was fixed on v6 but not on v5 since we are no longer supporting this version. If you want to keep using v5 you'll need to manually downgrade superqt with:

    python -m pip install superqt==0.7.4

This should do the trick.

Regarding the responsiveness of the Validator. No Cuda, GPU nor Torch are used in the Validator, 100% of it is CPU processing. Some speed improvements were done in v6, specially when clicking an error in the list (in both versions 5 and 6 of the Validator, a few video frames around the clicked error are always pre-loaded so that the browsing becomes faster once the pre-loading finishes, in v6 we moved this step to parallel process which does not freeze the main app). If you have to keep working with v5, make sure to have your video file in a SSD, instead of a HDD, to allow fast video reading.

Jordi

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[Carolyn Tett]

Hi Jordi,

Thank you so much for your quick response to both the GUI crash and responsiveness! I'll look into my SSD options!

Thanks again,

Carolyn