#32010: Unexpected behaviour of MultiValueDict.getlist in conjunction with map
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Reporter: Etienne Ott | Owner: nobody
Type: Bug | Status: closed
Component: Utilities | Version: 3.0
Severity: Normal | Resolution: invalid
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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Comment (by Etienne Ott):
It seems that when creating the example above I didn't reproduce any kind
of bug and instead constructed an incorrect use of `MultiValueDict`.
Further digging has revealed that using the membership operator `in` on
generators like `map` is also incorrect usage. The pythonic way is to
check a list made by list comprehension, e.g. `if number in [x for x in
map(int, somelist)]`. My apologies for wasting time with something
unrelated to Django.
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Ticket URL: <https://code.djangoproject.com/ticket/32010#comment:2>
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