support for PEP 572 assignment expressions

Hello Chris, or anyone else affected,

Accepted pyflakes into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/pyflakes/2.1.1-2ubuntu1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-focal. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

Testing done.

Before upgrade:

ubuntu@elastic-1:~$ dpkg -l | grep pyflakes
ii flake8 3.7.9-2 all code checker using pycodestyle and pyflakes
ii pyflakes 2.1.1-2 all passive checker of Python 2 programs
ii pyflakes3 2.1.1-2 all passive checker of Python 3 programs
ii python-pyflakes 2.1.1-2 all passive checker of Python 2 programs - Python modules
ii python3-flake8 3.7.9-2 all code checker using pycodestyle and pyflakes - Python 3.x
ii python3-pyflakes 2.1.1-2 all passive checker of Python 3 programs - Python modules
ubuntu@elastic-1:~$ flake8 test.py
"pyflakes" failed during execution due to "'FlakesChecker' object has no attribute 'NAMEDEXPR'"
Run flake8 with greater verbosity to see more details
test.py:2:10: E203 whitespace before ':'
test.py:2:11: E231 missing whitespace after ':'
test.py:2:24: E203 whitespace before ':'

After upgrade:

ubuntu@elastic-1:~$ dpkg -l | grep pyflakes
ii flake8 3.7.9-2 all code checker using pycodestyle and pyflakes
ii pyflakes 2.1.1-2ubuntu1 all passive checker of Python 2 programs
ii pyflakes3 2.1.1-2ubuntu1 all passive checker of Python 3 programs
ii python-pyflakes 2.1.1-2ubuntu1 all passive checker of Python 2 programs - Python modules
ii python3-flake8 3.7.9-2 all code checker using pycodestyle and pyflakes - Python 3.x
ii python3-pyflakes 2.1.1-2ubuntu1 all passive checker of Python 3 programs - Python modules
ubuntu@elastic-1:~$ flake8 test.py
test.py:2:9: F841 local variable 'y' is assigned to but never used
test.py:2:10: E203 whitespace before ':'
test.py:2:11: E231 missing whitespace after ':'
test.py:2:24: E203 whitespace before ':'

This bug was fixed in the package pyflakes - 2.1.1-2ubuntu1

---------------
pyflakes (2.1.1-2ubuntu1) focal; urgency=medium

  * Cherry-pick patch to add support for PEP 572 assignment expressions
    (LP: #2002855)

 -- Jeremy Bicha <email address hidden> Fri, 13 Jan 2023 14:38:01 -0500

The verification of the Stable Release Update for pyflakes has completed successfully and the package is now being released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.