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[GH-ISSUE #1560] Pip Blacklist - is there a way to edit / add to it - xformers keeps crashing my setup #666

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opened 2026-10-27 21:20:39 +00:00 by bsakaguchi · 1 comment
bsakaguchi commented 2026-10-27 21:20:39 +00:00
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Originally created by @adamreading on GitHub (Feb 17, 2025).
Original GitHub issue: https://github.com/Comfy-Org/ComfyUI-Manager/issues/1560

Hi

I'm running Comfyui in WSL on a 5090 machine. During the last week or so my setup keeps getting broken when installing new workflows from online, and adding custom nodes.

Last nights 6 hour trial was caused by Comfyui-Diffusers and created this error - AttributeError: Cannot set attribute 'src' directly. Use '_unsafe_update_src()' and manually clear .hash of all callersinstead.

(nothing in comfy worked after this)

After 6 hours of trying to solve it with ChatGPT and Gemini - I spoke to Kijai who said Uninstall Xformers... This immediately fixed the issue. But I would like to be able to prevent future nodes from installing xformers, without having to investigate every requirements.txt manually.

It would be great to have a blacklist file somewhere in comfyui that you could add modules that don't work with your set-up and prevent their install.

Thank you.

Originally created by @adamreading on GitHub (Feb 17, 2025). Original GitHub issue: https://github.com/Comfy-Org/ComfyUI-Manager/issues/1560 Hi I'm running Comfyui in WSL on a 5090 machine. During the last week or so my setup keeps getting broken when installing new workflows from online, and adding custom nodes. Last nights 6 hour trial was caused by Comfyui-Diffusers and created this error - AttributeError: Cannot set attribute 'src' directly. Use '_unsafe_update_src()' and manually clear `.hash` of all callersinstead. (nothing in comfy worked after this) After 6 hours of trying to solve it with ChatGPT and Gemini - I spoke to Kijai who said Uninstall Xformers... This immediately fixed the issue. But I would like to be able to prevent future nodes from installing xformers, without having to investigate every requirements.txt manually. It would be great to have a blacklist file somewhere in comfyui that you could add modules that don't work with your set-up and prevent their install. Thank you.
bsakaguchi commented 2026-10-27 21:20:39 +00:00
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@ltdrdata commented on GitHub (Feb 17, 2025):

https://github.com/ltdrdata/ComfyUI-Manager#paths
https://github.com/ltdrdata/ComfyUI-Manager#additional-feature

Update to latest version and create pip_blacklist.list file into user directory.

<!-- gh-comment-id:2663160091 --> @ltdrdata commented on GitHub (Feb 17, 2025): https://github.com/ltdrdata/ComfyUI-Manager#paths https://github.com/ltdrdata/ComfyUI-Manager#additional-feature Update to latest version and create `pip_blacklist.list` file into user directory.
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Comfy-Org/ComfyUI-Manager#666
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