I created this after being burned many times by a three‑hour batch script that stopped at 95% because of one messy input. Quarantine is a zero‑dependency Python decorator (@quarantine) that catches items that fail keeps your loop running and writes the input payload and traceback to disk (or S3/GCS for Kubernetes fleets). After you fix the bug, in your code running quarantine retry will replay the items that failed without having to re‑run the 9,996 items that already worked. Quarantine can be used again when you want to test the failed cases and I am happy to answer any questions.
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