[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

I closed the PR. Jason's fix deals with it, so this is now resolved.

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stage: patch review -> resolved
status: open -> closed

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Paul Moore]

Paul Moore  added the comment:

That's specifically the ensurepip PR, which is now outdated since pip 21.0.1 is 
in master. But for this bug report, Steve said "I still consider the changes a 
release blocking regression, but if it's not blocking ensurepip then I guess 
the updated packages can go in now" so I don't know if he considers there to be 
something else that this issue should still track.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Paul Moore]

Paul Moore  added the comment:

It can be closed.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Do we need to wait for PR 22779 or can it be closed?

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Paul Moore]

Paul Moore  added the comment:

I'm not sure why, but the PR to update the bundled pip to 21.0.1 (and 
setuptools to 52.0.0) merged cleanly, so this may be obsolete now.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Friendly reminder that this issue is currently blocking the 3.10a5 release. If 
you are ok with waiting for the next release to include the fix, please say so 
here or drop me an email/

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Jason R. Coombs]

Jason R. Coombs  added the comment:

> Why do we keep setuptools?

I agree; would be good to remove it if possible.

There are many packages that fail to build without Setuptools being present or 
--use-pep517 indicated. It would be nice if pip could make --use-pep517 the 
default, update that in Python, and then remove Setuptools. I would expect that 
approach will cause a great deal less turmoil in the ecosystem.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Julien Palard]

Julien Palard  added the comment:

Question: Why do we keep setuptools?

According to PEP453:

> Once pip is able to run pip install --upgrade pip without needing setuptools 
> installed first, then the private copy of setuptools will be removed from 
> ensurepip in subsequent CPython releases.

Which looks like to be the fact now:

$ python3.9 -m venv .venv
$ source .venv/bin/activate
$ pip uninstall setuptools
[...]
Successfully uninstalled setuptools-49.2.1
$ pip install --upgrade pip
[...]
Successfully installed pip-20.3.3

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[STINNER Victor]

Change by STINNER Victor :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Brett Cannon]

Change by Brett Cannon :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Jason R. Coombs]

Jason R. Coombs  added the comment:


New changeset df8d4c83a6e1727e766191896aeabde886979587 by Jason R. Coombs in 
branch 'master':
bpo-41490: ``path`` and ``contents`` to aggressively close handles (#22915)
https://github.com/python/cpython/commit/df8d4c83a6e1727e766191896aeabde886979587


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Jason R. Coombs]

Change by Jason R. Coombs :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

I did some bad things in git and so I had to recreate the PR against master, 
but the importlib.resources tests still fail.

Seems like the ensurepip/venv tests are fine though? Did something change in 
pip/certifi between 20.2.1 and 20.2.3?

I still consider the changes a release blocking regression, but if it's not 
blocking ensurepip then I guess the updated packages can go in now. I'll split 
up my PR tomorrow, but I'm not feeling like fighting git more tonight.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Change by Steve Dower :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[STINNER Victor]

STINNER Victor  added the comment:

setuptools is still more recent in 3.9 than in master. Look at PR 21748.

Can someone try to update setuptools in master?

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

I have no objection to bumping it further, provided someone has fixed 
importlib.resources on 3.10 (i.e. my backported tests pass)

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 168a8383c8358eea1b34df0e832f5d652faa6444 by Łukasz Langa (Pablo 
Galindo) in branch '3.9':
[3.9] bpo-41490: Bump vendored pip to version 20.2.3 (GH-22527). (GH-22544)
https://github.com/python/cpython/commit/168a8383c8358eea1b34df0e832f5d652faa6444


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Yeah, there is some code in PR 21748 that should be merged (the new test).

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[STINNER Victor]

STINNER Victor  added the comment:

Can this issue be closed? Are we waiting for manual checks? Or is there any 
remaining thing to do?

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Łukasz Langa]

Łukasz Langa  added the comment:

This change goes into 3.9.0 with Pablo's fix.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 4b4d60f9287e0e52c2569876456f40efc11529b4 by Pablo Galindo in 
branch '3.9':
[3.9] bpo-41490: Bump vendored pip to version 20.2.3 (GH-22527). (GH-22544)
https://github.com/python/cpython/commit/4b4d60f9287e0e52c2569876456f40efc11529b4


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 28cd96f2e5cfb16566a75dca8473b71889746f10 by Pablo Galindo in 
branch '3.8':
[3.8] bpo-41490: Bump vendored pip to version 20.2.3 (GH-22527). (GH-22545)
https://github.com/python/cpython/commit/28cd96f2e5cfb16566a75dca8473b71889746f10


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 2cc6dc9896771ef3615abbb5ba80939a2f644a08 by Pablo Galindo in 
branch 'master':
bpo-41490: Bump vendored pip to version 20.2.3 (#22527)
https://github.com/python/cpython/commit/2cc6dc9896771ef3615abbb5ba80939a2f644a08


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pradyun Gedam]

Pradyun Gedam  added the comment:

+1 for bumping to 20.2.3, in case an upstream voice is helpful. :)

On Fri, Oct 2, 2020 at 8:12 PM Pablo Galindo Salgado 
wrote:

>
> Pablo Galindo Salgado  added the comment:
>
> I think that the backport to 3.8 may have some unintended consequences in
> the last patch release as venv created with 3.8 now exhibit the pip
> regression (https://github.com/pypa/pip/issues/8695.).
>
> Steve, would you be ok if we bump all branches (master, 3.9 and 3.8) to
> 20.2.3?
>
> --
> nosy: +pablogsal
>
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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

I think that the backport to 3.8 may have some unintended consequences in the 
last patch release as venv created with 3.8 now exhibit the pip regression 
(https://github.com/pypa/pip/issues/8695.).

Steve, would you be ok if we bump all branches (master, 3.9 and 3.8) to 20.2.3?

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[László Kiss Kollár]

László Kiss Kollár  added the comment:

pip 20.2.1 contains a regression which breaks `--system-site-package` 
integration: https://github.com/pypa/pip/issues/8695. It would be nice to 
include the latest patch version (20.2.3 at the moment) which fixes this and a 
few other issues.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

If you look at the PR into 3.9, it includes a test for this exact case. Start 
by copying that into 3.10 and then make it pass and everything should be good :)

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Paul Moore]

Paul Moore  added the comment:

I think this reproduces the underlying issue:

>>> import zipfile
>>> from pathlib import Path
>>> p = zipfile.Path("tst.zip")
>>> Path("tst.zip").unlink()
Traceback (most recent call last):
  File "", line 1, in 
  File 
"C:\Users\UK03306\AppData\Local\Programs\Python\Python38\lib\pathlib.py", line 
1321, in unlink
self._accessor.unlink(self)
PermissionError: [WinError 32] The process cannot access the file because it is 
being used by another process: 'tst.zip'
>>>

Basically, zipfile.Path objects don't have any way to close the underlying 
zipfile, so you have to delete the path object to free up the file for deletion.

In the context of importlib, maybe permanently holding a reference to the 
zipfile.Path object can't work, and it needs to be re-opened each time it's 
needed?

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Jason R. Coombs]

Jason R. Coombs  added the comment:

> I haven't yet figured out whether there's a convenient way for the reader to 
> not keep the ZIP open for as long as it exists, but I think that's going to 
> be the safest fix.

You may be right here. I don't fully understand the repro, but it seems to me 
like you're trying to delete a zip file while you have resources open in that 
zip file. I think we need a separate issue to capture the underlying defect.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[STINNER Victor]

STINNER Victor  added the comment:

The CI failed on the PR on the master branch: 
https://github.com/python/cpython/pull/21748 First, the Travis CI job didn't 
start. I closed/opened the issue: Travis CI ran. New issue: bpo-41762. Once 
bpo-41762 will be fixed, it should be possible to attempt again to merge this 
PR.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Change by Steve Dower :


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versions:  -Python 3.9

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:


New changeset 70e9243a55be9c32b41f2149cdfa3957f96f8471 by Steve Dower in branch 
'3.9':
bpo-41490: Update ensurepip to install pip 20.2.1 and setuptools 49.2.1 
(GH-21774)
https://github.com/python/cpython/commit/70e9243a55be9c32b41f2149cdfa3957f96f8471


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Change by Steve Dower :


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versions:  -Python 3.8

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:


New changeset 135de08128a76f49752ac57c316129500275e828 by Steve Dower in branch 
'3.8':
bpo-41490: Update ensurepip to install pip 20.2.1 and setuptools 49.2.1 
(GH-21775)
https://github.com/python/cpython/commit/135de08128a76f49752ac57c316129500275e828


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

GitHub Actions has decided not to run CI today, so you'll have to look at Azure 
Pipelines for the test failures: 
https://dev.azure.com/Python/cpython/_build/results?buildId=67152=logs=c83831cd-3752-5cc7-2f01-8276919eb334=5a421c4a-0933-53d5-26b9-04b36ad165eb=8012

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Change by Steve Dower :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Change by Steve Dower :


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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

Added some test cases to the PR that directly trigger the issue, specifically 
this one:

def test_entered_path_does_not_keep_open(self):
# This is what certifi does on import to make its bundle
# available for the process duration.
c = resources.path('ziptestdata', 'binary.file').__enter__()
self.zip_path.unlink()

All the tests I added pass on 3.9 (with minor tweaks for moved test utils).

To unblock the upcoming releases, I'm going to do the backports first and leave 
this as a release blocker for 3.10.

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priority: normal -> release blocker

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

Okay, I've tracked it down to the new importlib.readers.ZipReader class keeping 
the zip file open, presumably until it gets GC'd. This is used by certifi to 
extract the CA certs from the whl when ensurepip is doing the self-install from 
the mounted wheel.

Jason is already on this bug, which is convenient :)

I haven't yet figured out whether there's a convenient way for the reader to 
not keep the ZIP open for as long as it exists, but I think that's going to be 
the safest fix.

We should definitely fix this one ourselves without forcing users to make 
changes to accommodate. As I mentioned above, it's only in 3.10 right now, but 
it's blocking updated pip and setuptools versions downlevel.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

The issue above doesn't appear to repro on 3.9, so I guess master has started 
leaking a file handle, presumably in zipimport.

I'll see what I can track down, but can't be sure I'll have enough time to get 
it done for RC, so if anyone else wants to help out feel free.

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Steve Dower  added the comment:

Test failure on Windows. I'll take a look tomorrow.

==
FAIL: test_with_pip (test.test_venv.EnsurePipTest)
--
Traceback (most recent call last):
  File "D:\a\cpython\cpython\lib\test\test_venv.py", line 476, in 
do_test_with_pip
self.run_with_capture(venv.create, self.env_dir,
  File "D:\a\cpython\cpython\lib\test\test_venv.py", line 76, in 
run_with_capture
func(*args, **kwargs)
subprocess.CalledProcessError: Command 
'['C:\\Users\\runneradmin\\AppData\\Local\\Temp\\tmp3cz40z50\\Scripts\\python.exe',
 '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit 
status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\a\cpython\cpython\lib\test\test_venv.py", line 536, in test_with_pip
self.do_test_with_pip(False)
  File "D:\a\cpython\cpython\lib\test\test_venv.py", line 484, in 
do_test_with_pip
self.fail(msg.format(exc, details))
AssertionError: Command 
'['C:\\Users\\runneradmin\\AppData\\Local\\Temp\\tmp3cz40z50\\Scripts\\python.exe',
 '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit 
status 1.

**Subprocess Output**
Looking in links: c:\Users\RUNNER~1\AppData\Local\Temp\tmped5jdzqn

Processing 
c:\users\runneradmin\appdata\local\temp\tmped5jdzqn\setuptools-49.2.1-py3-none-any.whl

Processing 
c:\users\runneradmin\appdata\local\temp\tmped5jdzqn\pip-20.2.1-py2.py3-none-any.whl

Installing collected packages: setuptools, pip

Successfully installed pip-20.2.1 setuptools-49.2.1

Traceback (most recent call last):

  File "D:\a\cpython\cpython\lib\shutil.py", line 613, in _rmtree_unsafe

os.unlink(fullname)

PermissionError: [WinError 32] The process cannot access the file because it is 
being used by another process: 
'C:\\Users\\RUNNER~1\\AppData\\Local\\Temp\\tmped5jdzqn\\pip-20.2.1-py2.py3-none-any.whl'



During handling of the above exception, another exception occurred:



Traceback (most recent call last):

  File "D:\a\cpython\cpython\lib\tempfile.py", line 802, in onerror

_os.unlink(path)

PermissionError: [WinError 32] The process cannot access the file because it is 
being used by another process: 
'C:\\Users\\RUNNER~1\\AppData\\Local\\Temp\\tmped5jdzqn\\pip-20.2.1-py2.py3-none-any.whl'



During handling of the above exception, another exception occurred:



Traceback (most recent call last):

  File "D:\a\cpython\cpython\lib\runpy.py", line 197, in _run_module_as_main

return _run_code(code, main_globals, None,

  File "D:\a\cpython\cpython\lib\runpy.py", line 87, in _run_code

exec(code, run_globals)

  File "D:\a\cpython\cpython\lib\ensurepip\__main__.py", line 5, in 

sys.exit(ensurepip._main())

  File "D:\a\cpython\cpython\lib\ensurepip\__init__.py", line 213, in _main

return _bootstrap(

  File "D:\a\cpython\cpython\lib\ensurepip\__init__.py", line 132, in _bootstrap

return _run_pip(args + [p[0] for p in _PROJECTS], additional_paths)

  File "D:\a\cpython\cpython\lib\tempfile.py", line 827, in __exit__

self.cleanup()

  File "D:\a\cpython\cpython\lib\tempfile.py", line 831, in cleanup

self._rmtree(self.name)

  File "D:\a\cpython\cpython\lib\tempfile.py", line 813, in _rmtree

_shutil.rmtree(name, onerror=onerror)

  File "D:\a\cpython\cpython\lib\shutil.py", line 737, in rmtree

return _rmtree_unsafe(path, onerror)

  File "D:\a\cpython\cpython\lib\shutil.py", line 615, in _rmtree_unsafe

onerror(os.unlink, fullname, sys.exc_info())

  File "D:\a\cpython\cpython\lib\tempfile.py", line 805, in onerror

cls._rmtree(path)

  File "D:\a\cpython\cpython\lib\tempfile.py", line 813, in _rmtree

_shutil.rmtree(name, onerror=onerror)

  File "D:\a\cpython\cpython\lib\shutil.py", line 737, in rmtree

return _rmtree_unsafe(path, onerror)

  File "D:\a\cpython\cpython\lib\shutil.py", line 596, in _rmtree_unsafe

onerror(os.scandir, path, sys.exc_info())

  File "D:\a\cpython\cpython\lib\shutil.py", line 593, in _rmtree_unsafe

with os.scandir(path) as scandir_it:

NotADirectoryError: [WinError 267] The directory name is invalid: 
'C:\\Users\\RUNNER~1\\AppData\\Local\\Temp\\tmped5jdzqn\\pip-20.2.1-py2.py3-none-any.whl'



--

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

Change by Steve Dower :


--
keywords: +patch
pull_requests: +20892
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/21748

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[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Steve Dower]

New submission from Steve Dower :

I'm doing the PR now, based on the latest versions available today:

https://pypi.org/project/pip/20.2.1/
https://pypi.org/project/setuptools/49.2.1/

If you're a maintainer and there's a reason to not update to to the latest, 
please let me know asap. All of our subsequent releases should be RC's, so I 
assume we won't take any changes bigger than targeted fixes before the next 
full releases.

--
assignee: steve.dower
components: Distutils
messages: 374901
nosy: Marcus.Smith, dstufft, eric.araujo, jaraco, lukasz.langa, ncoghlan, 
paul.moore, pradyunsg, steve.dower
priority: normal
severity: normal
stage: needs patch
status: open
title: Update bundled pip to 20.2.1 and setuptools to 49.2.1
versions: Python 3.10, Python 3.8, Python 3.9

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