$ tox -e py313
py313: install_deps> python -I -m pip install flake8==6.1.0
.pkg: install_requires> python -I -m pip install 'setuptools>=40.8.0' wheel
.pkg: _optional_hooks> python /usr/lib/python3.12/site-packages/pyproject_api/_backend.py True setuptools.build_meta __legacy__
.pkg: get_requires_for_build_sdist> python /usr/lib/python3.12/site-packages/pyproject_api/_backend.py True setuptools.build_meta __legacy__
.pkg: get_requires_for_build_wheel> python /usr/lib/python3.12/site-packages/pyproject_api/_backend.py True setuptools.build_meta __legacy__
.pkg: install_requires_for_build_wheel> python -I -m pip install wheel
.pkg: prepare_metadata_for_build_wheel> python /usr/lib/python3.12/site-packages/pyproject_api/_backend.py True setuptools.build_meta __legacy__
.pkg: build_sdist> python /usr/lib/python3.12/site-packages/pyproject_api/_backend.py True setuptools.build_meta __legacy__
py313: install_package> python -I -m pip install --force-reinstall --no-deps /tmp/pyflakes/.tox/.tmp/package/1/pyflakes-3.2.0.tar.gz
py313: commands[0]> python --version --version
Python 3.13.0b2 (main, Jun 15 2024, 15:12:59) [GCC 14.1.1 20240516]
py313: commands[1]> python -m unittest discover pyflakes
..................F...........F...............................................s.................................s...............................................................................................s....................................................................................ss..s..........s....................s.........................................................................................................................................................................s............................................................................................s..........................................................................................................................ss..s..........s.
======================================================================
FAIL: test_errors_syntax (test.test_api.IntegrationTests.test_errors_syntax)
When pyflakes finds errors with the files it's given, (if they don't
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/pyflakes/pyflakes/test/test_api.py", line 779, in test_errors_syntax
    self.assertEqual(d, ('', error_msg, 1))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Tuples differ: ('', "/tmp/tmpbooyidpw/temp:1:7: Expected one [47 chars]", 1) != ('', '/tmp/tmpbooyidpw/temp:1:7: invalid synta[20 chars]', 1)

First differing element 1:
"/tmp/tmpbooyidpw/temp:1:7: Expected one [43 chars] ^\n"
'/tmp/tmpbooyidpw/temp:1:7: invalid synta[16 chars] ^\n'

+ ('', '/tmp/tmpbooyidpw/temp:1:7: invalid syntax\nimport\n      ^\n', 1)
- ('',
-  "/tmp/tmpbooyidpw/temp:1:7: Expected one or more names after 'import'\n"
-  'import\n'
-  '      ^\n',
-  1)

======================================================================
FAIL: test_errors_syntax (test.test_api.TestMain.test_errors_syntax)
When pyflakes finds errors with the files it's given, (if they don't
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/pyflakes/pyflakes/test/test_api.py", line 779, in test_errors_syntax
    self.assertEqual(d, ('', error_msg, 1))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Tuples differ: ('', "/tmp/tmpc7279rn1/temp:1:7: Expected one [47 chars]", 1) != ('', '/tmp/tmpc7279rn1/temp:1:7: invalid synta[20 chars]', 1)

First differing element 1:
"/tmp/tmpc7279rn1/temp:1:7: Expected one [43 chars] ^\n"
'/tmp/tmpc7279rn1/temp:1:7: invalid synta[16 chars] ^\n'

+ ('', '/tmp/tmpc7279rn1/temp:1:7: invalid syntax\nimport\n      ^\n', 1)
- ('',
-  "/tmp/tmpc7279rn1/temp:1:7: Expected one or more names after 'import'\n"
-  'import\n'
-  '      ^\n',
-  1)

----------------------------------------------------------------------
Ran 732 tests in 1.227s

FAILED (failures=2, skipped=14)
py313: exit 1 (1.40 seconds) /tmp/pyflakes> python -m unittest discover pyflakes pid=1639266
  py313: FAIL code 1 (12.92=setup[11.52]+cmd[0.01,1.40] seconds)
  evaluation failed :( (13.22 seconds)