gh-146004: fix test_args_from_interpreter_flags

[chris-eibl]

Windows build bots are failing with

Warning -- files was modified by test_support
Warning -- Before: []
Warning -- After: ['tmp/']

• Issue: recent -X options do not auto-propagate to multiprocessing processes #146004

[chris-eibl]

!buildbot Windows

[bedevere-bot]

🤖 New build scheduled with the buildbot fleet by @chris-eibl for commit 4ecea2e 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F146580%2Fmerge

The command will test the builders whose names match following regular expression: Windows

The builders matched are:

• AMD64 Windows Server 2022 NoGIL PR
• AMD64 Windows PGO NoGIL PR
• AMD64 Windows11 Non-Debug PR
• AMD64 Windows PGO NoGIL Tailcall PR
• AMD64 Windows11 Bigmem PR
• AMD64 Windows PGO PR
• ARM64 Windows Non-Debug PR
• ARM64 Windows PR
• AMD64 Windows11 Refleaks PR
• AMD64 Windows PGO Tailcall PR
• AMD64 Windows10 PR

[chris-eibl]

Ups, that was coincidally. Just triggered the Windows bots ...

[miss-islington-app]

Thanks @chris-eibl for the PR, and @kumaraditya303 for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14.
🐍🍒⛏🤖

[bedevere-app]

GH-146585 is a backport of this pull request to the 3.14 branch.

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 FreeBSD Refleaks 3.x (tier-3) has failed when building commit 1af025d.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1613/builds/3046) and take a look at the build logs.
4. Check if the failure is related to this commit (1af025d) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/1613/builds/3046

Failed tests:

• test_datetime

Test leaking resources:

• test_events: memory blocks
• test_events: references

Summary of the results of the build (if available):

==

Click to see traceback logs

Traceback (most recent call last):
File "/buildbot/buildarea/3.x.ware-freebsd.refleak/build/Lib/test/support/__init__.py", line 947, in gc_collect
gc.collect()
~~~~~~~~~~^^ResourceWarning: unclosed <socket.socket fd=9, family=2, type=1, proto=6, laddr=('127.0.0.1', 11705), raddr=('127.0.0.1', 11706)>
Task was destroyed but it is pending!
task: <Task pending name='Task-1508' coro=<BaseSelectorEventLoop._accept_connection2() done, defined at /buildbot/buildarea/3.x.ware-freebsd.refleak/build/Lib/asyncio/selector_events.py:219> wait_for=<Future pending cb=[Task.task_wakeup()]>>
Warning -- Unraisable exception
Exception ignored while calling deallocator <function _SelectorTransport.__del__ at 0x83f552ed0>:
Traceback (most recent call last):
File "/buildbot/buildarea/3.x.ware-freebsd.refleak/build/Lib/asyncio/selector_events.py", line 877, in __del__
_warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ResourceWarning: unclosed transport <_SelectorSocketTransport closing fd=9>
k
Traceback (most recent call last):
File "/buildbot/buildarea/3.x.ware-freebsd.refleak/build/Lib/test/support/__init__.py", line 947, in gc_collect
gc.collect()
~~~~~~~~~~^^ResourceWarning: unclosed <socket.socket fd=10, family=2, type=1, proto=6, laddr=('127.0.0.1', 46439), raddr=('127.0.0.1', 46440)>
Task was destroyed but it is pending!
task: <Task pending name='Task-3623' coro=<BaseSelectorEventLoop._accept_connection2() done, defined at /buildbot/buildarea/3.x.ware-freebsd.refleak/build/Lib/asyncio/selector_events.py:219> wait_for=<Future pending cb=[Task.task_wakeup()]>>
Warning -- Unraisable exception
Exception ignored while calling deallocator <function _SelectorTransport.__del__ at 0x844219a90>:
Traceback (most recent call last):
File "/buildbot/buildarea/3.x.ware-freebsd.refleak/build/Lib/asyncio/selector_events.py", line 877, in __del__
_warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ResourceWarning: unclosed transport <_SelectorSocketTransport closing fd=10>
k