Gregory P. Smith added the comment:
https://web.dev/webassembly-threads/ suggests otherwise.
--
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___
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Gregory P. Smith added the comment:
related: https://www.python.org/dev/peps/pep-0490/ (rejected pep to auto-chain
from C API calls)
I don't come across it often, but I did just review some code at work today
where the chain might have been nice (though not a big deal).
--
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stage: needs patch -> resolved
status: open -> closed
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Gregory P. Smith added the comment:
Nice trick with that RO bind mount. tests... yes we do have some writable
source tree messes in there to be dealt with.
--
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Gregory P. Smith added the comment:
General consensus: There isn't a common need for this.
--
nosy: +gregory.p.smith
resolution: -> rejected
stage: -> resolved
status: open -> closed
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Gregory P. Smith added the comment:
Thanks malin!
--
resolution: -> fixed
stage: patch review -> commit review
status: open -> closed
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Gregory P. Smith added the comment:
New changeset 86c1265cdc64030c8921e0da5fcae2ac64299c26 by Ma Lin in branch
'3.9':
[3.9] bpo-41735: Fix thread lock in zlib.Decompress.flush() may go wrong
(GH-29588)
https://github.com/python/cpython/commit/86c1265cdc64030c8921e0da5fcae2ac64299c26
Gregory P. Smith added the comment:
New changeset 7edb6270a78c695e4c2ae2432797dc18105374fc by Ma Lin in branch
'main':
bpo-41735: Fix thread lock in zlib.Decompress.flush() may go wrong (GH-29587)
https://github.com/python/cpython/commit/7edb6270a78c695e4c2ae2432797dc18105374fc
Gregory P. Smith added the comment:
A new `intermediate_mode=` kwarg can't _default_ to `mode=` as that would flip
flop the API's default behavior again and no doubt disrupt someone elses
3.7-3.10 authored code depending on it. :(
Regardless I do somewhat like `intermediate_mode=` more than
Gregory P. Smith added the comment:
We do need to document this in ctypes.rst. Quite a bit of code depends on
ctypes.CDLL(None) and similar to get at symbols linked into the interpreter or
already dlopened into the process these days. It works on Linux; I'm assuming
it likely does
Change by Gregory P. Smith :
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resolution: later ->
stage: resolved -> patch review
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Gregory P. Smith added the comment:
clarification after poking around: s/all/a lot/ - YouTube used it to help their
Python 3 migration. Regardless, the env. var has been useful.
--
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Python tracker
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Gregory P. Smith added the comment:
fwiw, at work we modified our interpreter to treat PYTHONBYTESWARNING=1 or 2 as
if -b or -bb were passed. All of our tests run by default with a
PYTHONBYTESWARNING=2 in their environment.
--
nosy: +gregory.p.smith
Gregory P. Smith added the comment:
Joshua pointed out that https://bugs.python.org/issue26973 appears to cover
this. we rejected the idea of changing it at the time. it'd still be nice.
--
___
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Change by Gregory P. Smith :
--
title: dict. keys view behavious diverges from set() -> dict. keys view
behaviour diverges from set()
___
Python tracker
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New submission from Gregory P. Smith :
Python 3.9.7 (default, Sep 24 2021, 09:43:00)
[GCC 10.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> dict(a=3,b=5).keys()
dict_keys(['a', 'b'])
>>> dict(
Change by Gregory P. Smith :
--
components: Interpreter Core
nosy: gregory.p.smith
priority: normal
severity: normal
stage: needs patch
status: open
title: dict. keys view behavious diverges from set()
type: behavior
versions: Python 3.11
___
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Change by Gregory P. Smith :
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Gregory P. Smith added the comment:
I always do out of tree builds _(I find people who build anything in tree to be
very weird - it makes a mess)_.
I intend to look into making sure a Linux buildbot runs this way but don't let
that stop anyone else from doing so
Change by Gregory P. Smith :
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Gregory P. Smith added the comment:
Given that a lot of code is presumably relying on this (see the notes from
2015)... I wouldn't be surprised if this turns into a wart we document but not
actually fix. :/
Or a conditional behavior we control via a `from __future__ import
Gregory P. Smith added the comment:
`Misc/python-config.in` ultimately becomes a Python script that prints things
to stdout. It isn't written to be a module as is. Any work to make it one is
effectively writing entirely new code to do what it does.
To keep a single source of truth
Gregory P. Smith added the comment:
i'm considering this fixed based on my testing. we still lack buildbots using
out of tree setup. i'll ponder that. But this issue need not track that
infrastructure.
--
assignee: -> eric.snow
resolution: -> fixed
stage: patch
Gregory P. Smith added the comment:
New changeset 423fa1c1817abfa8c3d1bc308ddbbd8f28b69d68 by Dennis Sweeney in
branch 'main':
bpo-30570: Use Py_EnterRecursiveCall() in issubclass() (GH-29048)
https://github.com/python/cpython/commit/423fa1c1817abfa8c3d1bc308ddbbd8f28b69d68
Change by Gregory P. Smith :
--
resolution: -> fixed
stage: patch review -> commit review
status: open -> closed
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Python tracker
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Gregory P. Smith added the comment:
New changeset 843b890334ca30cf6af27dffe29cecd06b49f7d9 by Gregory P. Smith in
branch 'main':
bpo-43592: Raise RLIMIT_NOFILE in test.libregrtest (GH-29127)
https://github.com/python/cpython/commit/843b890334ca30cf6af27dffe29cecd06b49f7d9
Gregory P. Smith added the comment:
It doesn't happen on the zfs ubuntu 20.04 machine i've got. Figuring out an
appropriate workaround when refactoring the test for this is best done by
someone with a system it fails on. It'd be guesswork otherwise.
--
title: Test failure
Change by Gregory P. Smith :
--
keywords: +patch
pull_requests: +27414
pull_request: https://github.com/python/cpython/pull/29127
___
Python tracker
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Gregory P. Smith added the comment:
macOS often has an unreasonably low default max number of file descriptors.
This is easy to raise from user code, it's a soft limit.
https://github.com/python/cpython/pull/29127
is out to try that from regrtest itself.
--
assignee
Gregory P. Smith added the comment:
this is probably somewhat of an edge case. filesystems are presumably free to
have their own concepts of granularity on size limit enforcement.
zfs may become more popular in future ubuntu versions as they're offering it as
a supported primary whole
Gregory P. Smith added the comment:
workaround: don't run make as root. run configure & make in a user account and
only run your final make install as root after that. (sudo make install or
whatnot)
2to3 and lib2to3 are deprecated so this won't be getting fixed (though it's
Change by Gregory P. Smith :
--
resolution: -> duplicate
stage: -> resolved
status: open -> closed
superseder: -> Source installation sets incorrect permissions for
Grammar3.2.3.final.0.pickle
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Gregory P. Smith added the comment:
Rule #1 for home users: Never use your ISPs DNS. Always configure a reputable
one in your router. If you can't control your router, configure your computer
to ignore the router's DNS.
Classic best in breed non-ISP servers exist: 8.8.8.8 (google
Change by Gregory P. Smith :
--
pull_requests: +27331
pull_request: https://github.com/python/cpython/pull/29064
___
Python tracker
<https://bugs.python.org/issue40
Gregory P. Smith added the comment:
We just need https://github.com/python/cpython/pull/27010 to be done on main to
roll it back.
str and repr changes are quite painful to foist upon users existing code and
tests.
--
nosy: +gregory.p.smith
Gregory P. Smith added the comment:
That appears to have caused https://bugs.python.org/issue45506
--
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___
Python tracker
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Gregory P. Smith added the comment:
git bisect on Linux yielded this culprit change:
```
79cf20e48d0b5d69d9fac2a0204b5ac2c366066a is the first bad commit
commit 79cf20e48d0b5d69d9fac2a0204b5ac2c366066a
Author: Eric Snow
Date: Thu Oct 14 15:32:18 2021 -0600
bpo-21736: Set __file__
Gregory P. Smith added the comment:
could changes related to this be the cause of
https://bugs.python.org/issue45506 ?
out of tree builds in main usually cannot pass key tests today. they often
hang or blow up with strange exceptions.
--
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Gregory P. Smith added the comment:
further down in the tracebacks in that situation:
```
File "/Users/greg/oss/python/upstream/Lib/importlib/_bootstrap.py", line 887,
in _fix_up_module
assert module.__file__ == __file__, (module.__file__
Gregory P. Smith added the comment:
for easy pasting:
git clone https://github.com/python/cpython.git upstream && \
mkdir b-u && cd b-u && \
../upstream/configure --with-pydebug && make -j3 && \
./python -m test.regrtest test_importlib
[change p
New submission from Gregory P. Smith :
The behavior is odd, I don't really know how to characterize it other than
something serious has gone wrong. Memory corruption thus differing failures
perhaps? it seems like maybe a race condition?
on the main branch (i cannot reproduce this on 3.10
Change by Gregory P. Smith :
--
keywords: +patch
pull_requests: +27291
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/29017
___
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Gregory P. Smith added the comment:
Python metaprogramming allows type-like things to be bases, not just things
that pass PyType_Check(). so being that strict isn't going to work.
The other classic way to prevent this is to track what you're recursing on to
avoid a loop. i.e. Keeping
Change by Gregory P. Smith :
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Gregory P. Smith added the comment:
This is a stack overflow in Objects/abstract.c because we infinitely recurse
within abstract_issubclass().
We should probably do some validity checking on the bases tuple that
abstract_get_bases returns (ideally within abstract_get_bases?). The tuple
Gregory P. Smith added the comment:
As your problem involves numpy and PyQt, both of which are very complicated
third party extension module code, chances are there is a bug within those that
is leading to memory corruption.
--
nosy: +gregory.p.smith
resolution: -> third pa
Change by Gregory P. Smith :
--
priority: normal -> high
versions: +Python 3.9
___
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Gregory P. Smith added the comment:
I confirmed that 3.9 does NOT seem to have the problem:
Python 3.9.5 (default, May 19 2021, 11:32:47)
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> x = r''
Gregory P. Smith added the comment:
While arguably unnecessary as it is documented as a dictionary and this is a
normal Python dict behavior, it is a global dict and it can be modified at
times that are unintuitive to users of all experience levels. A note in the
documentation makes sense
Gregory P. Smith added the comment:
New changeset 3d1ca867ed0e3ae343166806f8ddd9739e568ab4 by Gregory P. Smith in
branch 'main':
bpo-45353: Remind sys.modules users to copy when iterating. (GH-28842)
https://github.com/python/cpython/commit/3d1ca867ed0e3ae343166806f8ddd9739e568ab4
Change by Gregory P. Smith :
--
keywords: +patch
pull_requests: +27154
stage: test needed -> patch review
pull_request: https://github.com/python/cpython/pull/28842
___
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Gregory P. Smith added the comment:
Marking release blocker as a crash is bad for a function that is documented as
safe for use on untrusted input so long as it isn't large enough to overflow
the stack.
https://docs.python.org/3/library/ast.html#ast.literal_eval
--
priority: normal
Gregory P. Smith added the comment:
(unable to reproduce on 3.9)
--
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versions: -Python 3.9
___
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Change by Gregory P. Smith :
--
versions: +Python 3.10, Python 3.9
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Gregory P. Smith added the comment:
I left some comments on the PR. We can at least make it detect musl libc and
improve its default behavior there.
FWIW CPython's recursionlimit and the C stack have long been a thorn in the
side of many things.
Even when Python's thread_pthread.h
Change by Gregory P. Smith :
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Gregory P. Smith added the comment:
Another use case someone had for preexec_fn popped up today:
prctl(PR_SET_PDEATHSIG, SIGTERM)
--
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Gregory P. Smith added the comment:
**If** we add a callback API for this, I agree with vstinner's
https://bugs.python.org/issue42969#msg402558 commentary on the other callback
APIs. We can do this one similarly and keep it simple. - Why? It's the initial
simplicity that provides those
Gregory P. Smith added the comment:
A PR adding a `Py_SetThreadExitCallback(func)` API guaranteeing the callback is
called before `pthread_exit()` would allow anyone wanting to deal with their
deadlocks to register `abort()` or `while(1) pause();` as their exit callback.
I'd be okay
Gregory P. Smith added the comment:
I believe jbms is right that pausing the threads is the only right thing to do
when they see tstate_must_exit. The PR is likely correct.
--
versions: +Python 3.11, Python 3.9
___
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<ht
Gregory P. Smith added the comment:
I expect the unittest for this might causes hangs on some platforms in the
future as it mixes fork and threads which is a posix-nono. If so, we should
just disable it on all but specific known-to-pass build configs as a future PR.
3.9 and 3.10 PRs
Gregory P. Smith added the comment:
New changeset 0bfa1106acfcddc03590e1f5d6789dbad3affe70 by nullptr in branch
'main':
bpo-45021: Fix a hang in forked children (GH-28007)
https://github.com/python/cpython/commit/0bfa1106acfcddc03590e1f5d6789dbad3affe70
--
nosy: +gregory.p.smith
Gregory P. Smith added the comment:
although it looks like the 3.10 failure you linked to ran after that. so...
the upgrade may not explain things.
--
___
Python tracker
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Gregory P. Smith added the comment:
fwiw I updated my arm raspbian buildbot from raspbian Buster to raspbian
Bullseye in the last few days. That could also explain the difference. More
recent toolchain versions.
--
___
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<ht
Change by Gregory P. Smith :
--
resolution: -> fixed
stage: patch review -> resolved
status: open -> closed
___
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Change by Gregory P. Smith :
--
assignee: -> gregory.p.smith
versions: +Python 3.10, Python 3.9
___
Python tracker
<https://bugs.python.org/issue45196>
___
_
Gregory P. Smith added the comment:
New changeset b668cdfa09e9bdfcfddaadd23dbd455d5f667383 by junyixie in branch
'main':
bpo-45196: prevent unittest crash on address sanitizer builds (GH-28331)
https://github.com/python/cpython/commit/b668cdfa09e9bdfcfddaadd23dbd455d5f667383
New submission from E. M. P. Höller :
urllib.request.Request internally .capitalize()s header names before adding
them, as can be seen here:
https://github.com/python/cpython/blob/3.9/Lib/urllib/request.py#L399
Since HTTP headers are case-insensitive, but dicts are not, this ensures
Gregory P. Smith added the comment:
FWIW I don't remember the context that led me to just file the issue this year.
The most serious frequent instances of this I remember happening were all many
years ago when a less capable software distribution mechanism was in use.
A scenario where I
Gregory P. Smith added the comment:
I think we just forgot to make the change in time. 3.11 is fine. We're not
_maintaining_ lib2to3 or describing it as fit for any modern purpose
regardless. It's just code that'll sit around in the back of the 3.10 stdlib
but not be able to parse
Gregory P. Smith added the comment:
A worthwhile general suggestion on a new path forward for the mess of things
between (v)fork+exec from Victor is over in
https://bugs.python.org/issue42736#msg383869
TL;DR creating a subprocess.Preexec() recording object with specific interfaces
Gregory P. Smith added the comment:
New changeset 245f1f260577a005fd631144b4377febef0b47ed by Gregory P. Smith in
branch 'main':
bpo-41818: ++ termios versionadded markers. (GH-27987)
https://github.com/python/cpython/commit/245f1f260577a005fd631144b4377febef0b47ed
Change by Gregory P. Smith :
--
pull_requests: +26434
pull_request: https://github.com/python/cpython/pull/27987
___
Python tracker
<https://bugs.python.org/issue41
Gregory P. Smith added the comment:
New changeset ae224bb566301d3602e9b090e37c1dcf5a48c914 by Soumendra Ganguly in
branch 'main':
bpo-41818: Add termios.tcgetwinsize(), termios.tcsetwinsize(). (GH-23686)
https://github.com/python/cpython/commit/ae224bb566301d3602e9b090e37c1dcf5a48c914
Change by Gregory P. Smith :
--
resolution: -> fixed
stage: patch review -> commit review
status: open -> closed
___
Python tracker
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Gregory P. Smith added the comment:
New changeset fa6304a5225787054067bb56089632146d288b20 by Idan Moral in branch
'main':
bpo-44690: Adopt binacii.a2b_base64's strict mode in base64.b64decode (GH-27272)
https://github.com/python/cpython/commit/fa6304a5225787054067bb56089632146d288b20
Gregory P. Smith added the comment:
I'm not worried about the regex vs binascii C implementation performance at all.
--
nosy: +gregory.p.smith
___
Python tracker
<https://bugs.python.org/issue44
Change by Gregory P. Smith :
--
assignee: -> gregory.p.smith
nosy: +gregory.p.smith
___
Python tracker
<https://bugs.python.org/issue44173>
___
___
Python-
Change by Gregory P. Smith :
--
resolution: -> fixed
stage: patch review -> commit review
status: open -> closed
versions: -Python 3.9
___
Python tracker
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Gregory P. Smith added the comment:
New changeset b1930bf75f276cd7ca08c4455298128d89adf7d1 by Jakub Kulík in branch
'main':
bpo-44935: enable posix_spawn() on Solaris (GH-27795)
https://github.com/python/cpython/commit/b1930bf75f276cd7ca08c4455298128d89adf7d1
--
nosy
Change by Gregory P. Smith :
--
resolution: fixed ->
stage: resolved -> needs patch
___
Python tracker
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___
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Pyth
Gregory P. Smith added the comment:
New changeset 6564656495d456a1bcc1aaa06abfc696209f37b2 by Jakub Kulík in branch
'main':
bpo-43219: skip Solaris in the test as well (GH-27257)
https://github.com/python/cpython/commit/6564656495d456a1bcc1aaa06abfc696209f37b2
Gregory P. Smith added the comment:
New changeset 366fcbac18e3adc41e3901580dbedb6a91e41a10 by Idan Moral in branch
'main':
bpo-44678: Separate error message for discontinuous padding in
binascii.a2b_base64 strict mode (GH-27249)
https://github.com/python/cpython/commit
Gregory P. Smith added the comment:
I've merged Idan's PR adding a strict_mode parameter to a2b_base64. It
defaults to False for backwards compatibility.
>From a security perspective, it'd be _ideal_ if this were True. But I expect
>doing that would break a bunch of existin
Gregory P. Smith added the comment:
New changeset 35b98e38b6edd63153fc8e092f94cb20725dacc1 by Idan Moral in branch
'main':
bpo-43086: Add handling for out-of-spec data in a2b_base64 (GH-24402)
https://github.com/python/cpython/commit/35b98e38b6edd63153fc8e092f94cb20725dacc1
New submission from origin400-p :
While support for the so-called “Happy Eyeballs” algorithim described in RFC
8503 was implemented for asyncio in Issue #33530, socket's create_connection
function remains left without it causing suboptimal performance in broken
dual-stack environments
Gregory P. Smith added the comment:
Thanks Mark, that's a good real world experience example from the IPython side.
--
___
Python tracker
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Change by Gregory P. Smith :
--
stage: -> patch review
type: behavior -> enhancement
___
Python tracker
<https://bugs.python.org/issue44603>
___
___
Pyth
Gregory P. Smith added the comment:
Agreed with Paul, this is a good idea UX wise for interactive interpreters.
IPython proved that well over a decade ago. Thanks for the historical links!
--
nosy: +gregory.p.smith
___
Python tracker
<ht
Gregory P. Smith added the comment:
Thanks!
Things like this both internal to CPython and in CPython API misuse in all
sorts of third party extension modules are why i think we as a project really
should to encourage more CI systems to have -UNDEBUG builds of CPython
available and in use
Gregory P. Smith added the comment:
New changeset 0093876328afa330224c9d887c18dee0b3117852 by T. Wouters in branch
'main':
bpo-44630: Fix assertion errors in csv module (GH-27127)
https://github.com/python/cpython/commit/0093876328afa330224c9d887c18dee0b3117852
racker.org/
Mailing lists - the place to ask questions:
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About Roundup
=
Roundup is a simple-to-use and install issue-tracking system with
command-line, web and e-mail interfaces. It is based on the winning design
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Change by Gregory P. Smith :
--
resolution: -> fixed
stage: patch review -> resolved
status: open -> closed
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Python tracker
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Gregory P. Smith added the comment:
New changeset 248173cc0483a9ad9261353302f1234cf9eb2ebe by andrei kulakov in
branch 'main':
bpo-43219: shutil.copyfile, raise a less confusing exception instead of
IsADirectoryError (GH-27049)
https://github.com/python/cpython/commit
Change by Gregory P. Smith :
--
assignee: -> gregory.p.smith
nosy: +gregory.p.smith
versions: +Python 3.11 -Python 3.8
___
Python tracker
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Gregory P. Smith added the comment:
Thanks Ian!
--
resolution: -> fixed
stage: patch review -> resolved
status: open -> closed
versions: -Python 3.10
___
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