Opened 5 years ago
Last modified 5 years ago
#31418 closed Bug
ValueError when FileBasedCache is used in Python 2.7 — at Initial Version
| Reported by: | mastizada | Owned by: | nobody |
|---|---|---|---|
| Component: | Core (Cache system) | Version: | 2.2 |
| Severity: | Release blocker | Keywords: | |
| Cc: | Triage Stage: | Unreviewed | |
| Has patch: | no | Needs documentation: | no |
| Needs tests: | no | Patch needs improvement: | no |
| Easy pickings: | no | UI/UX: | no |
Description
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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