#36033: Getting TypeError: cannot pickle 'dict_values' object Error with Django
4.2.16
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Reporter: Bittu Ray | Owner: (none)
Type: Uncategorized | Status: closed
Component: Core (Cache system) | Version: 4.2
Severity: Normal | Resolution: invalid
Keywords: Django 4.2, Cache | Triage Stage:
error, Redis Cache, Pickle | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Simon Charette):
Not sure what to say other than what the exception points at. If you plan
on pickling an object then you must make sure it's pickleable so the
obvious solution here to do
{{{#!python
queryset = Record.objects.filter(id__in=list(val.values()))
}}}
AFAIK Django doesn't provide any guarantees on how it stores lookup right-
hand-sides internally so if it happened to work in 3.2 (I haven't verified
it's the case) it was an implementation detail.
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Ticket URL: <https://code.djangoproject.com/ticket/36033#comment:5>
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