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devel / comp.lang.python / Re: Strange Change Of Module Name

SubjectAuthor
* Strange Change Of Module NameBetty Hollinshead
`- Re: Strange Change Of Module NameChris Angelico

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Strange Change Of Module Name

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Subject: Strange Change Of Module Name
From: lizzyhol...@gmail.com (Betty Hollinshead)
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 by: Betty Hollinshead - Fri, 5 Nov 2021 20:08 UTC

python3-3.10.0-1.fc35.x86_64
alacarte-3.36.0-6.fc35.noarch

Someone in the Python world changed the name of an import.
Once upon a time the import (in alacarte) it looked like this:
from collections import Sequence

In a standard Fedora 35 install a few days ago, alacarte crashes.
.....because the import (now) needs to look like this:
from collections.abc import Sequence

Am I alone in wondering about this sort of stupid change of name?

L.

Re: Strange Change Of Module Name

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From: ros...@gmail.com (Chris Angelico)
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Subject: Re: Strange Change Of Module Name
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 by: Chris Angelico - Fri, 5 Nov 2021 21:52 UTC

On Sat, Nov 6, 2021 at 8:42 AM Betty Hollinshead
<lizzyhollins99@gmail.com> wrote:
>
> python3-3.10.0-1.fc35.x86_64
> alacarte-3.36.0-6.fc35.noarch
>
> Someone in the Python world changed the name of an import.
> Once upon a time the import (in alacarte) it looked like this:
> from collections import Sequence
>
> In a standard Fedora 35 install a few days ago, alacarte crashes.
> ....because the import (now) needs to look like this:
> from collections.abc import Sequence
>
> Am I alone in wondering about this sort of stupid change of name?
>

Calling it "stupid" isn't a great way to get a useful discussion.

I would say that alacarte has been buggy for the better part of a
decade, and you're only now getting an actual error. Here's the change
- it wasn't a rename at all:

https://docs.python.org/3/whatsnew/3.9.html#you-should-check-for-deprecationwarning-in-your-code

The "collections.Sequence" alias has been kept for backward
compatibility, but as of 3.10, has been removed. The correct spelling,
"collections.abc.Sequence", has been valid since at least 2012 (that's
when it started emitting a warning - don't know if it was available
longer and I don't have a Python 3.2 to test). So either alacarte
hasn't been updated in many many years, or nobody has bothered to
check the warnings.

Maybe, rather than calling the Python devs "stupid", you should
consider sending pull requests to projects you use, fixing things that
are raising warnings?

ChrisA

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