fix: operation was cancelled error#5287
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tdejager merged 2 commits intoprefix-dev:mainfrom Jan 14, 2026
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baszalmstra
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Jan 13, 2026
| let mut verify_futures = FuturesUnordered::new(); | ||
| for platform in platforms { | ||
| match verify_platform_satisfiability( | ||
| verify_futures.push(verify_platform_satisfiability( |
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This is a little bonus addition which parallelizes the satisfiability check of source dependencies for different environments.
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tdejager
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Jan 14, 2026
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Description
This fixes the dreaded
operation was cancellederror. This was caused by a race condition where an error cause the cancellation of another task which then raced quicker to the pixi frontend then the actual error. With this PR a coalesced task that errors sends the error to all pending tasks instead of only to one and cancelling the others. This ensures that an error is always returned to the frontend.Fixes #5200
How Has This Been Tested?
I tested this locally in a reproducer case that I happened to have.
AI Disclosure
Tools: Claude Opus 4.5
Checklist:
schema/model.py.