#31418: ValueError when FileBasedCache is used in Python 2.7
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Reporter: mastizada | Owner: nobody
Type: Bug | Status: new
Component: Core (Cache system) | Version: 2.2
Severity: Release blocker | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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Using FileBasedCache in Django 2.2.12 with Python 2.7.3 is giving
ValueError: unsupported pickle protocol: 5
Checking the highest protocol version for pickle using
`pickle.HIGHEST_PROTOCOL` is giving 4, so the protocol 5 is not available.
Line that is causing the error: `filebased.py` in `_is_expired` at line
146, `exp = pickle.load(f)`.
Using Python 3.8.0 solves the problem.
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Ticket URL: <https://code.djangoproject.com/ticket/31418>
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