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Incident Report: File Hosting Errors

calendar_today September 8, 2026 person Mike Fiedler domain pypi

Executive summary For about two weeks in August 2026, some PyPI users hit intermittent 502 and 503 errors downloading files from files.pythonhosted.org , triggering failures during installation from PyPI. Thanks to our users filing reports in the support tracker ; one report in particular narrowed the problem to a single cache node. Two separate problems were uncovered.

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