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Packages that fail to build (🔴 + 🟠)

Package name Build status Build attempts in Copr Bugzilla ticket (all open PYTHON3.14 and F43FTBFS)
Mayavi 🔴 Copr - Mayavi Mayavi fails to build with Python 3.14: TestMayaviGarbageCollection.test_mlab_scene_model_with_gui: IndexError: list index out of range
asv 🔴 Copr - asv asv fails to build with Python 3.14: AttributeError: 'Constant' object has no attribute 's'
asv: FTBFS in Fedora rawhide/f42
bandit 🔴 Copr - bandit bandit fails to build with Python 3.14: TypeError: Error: Str is not a valid node type in AST
binwalk 🔴 Copr - binwalk binwalk fails to build with Python 3.14: TypeError: unsupported operand type(s) for +=: 'NoneType' and 'int'
borgbackup 🔴 Copr - borgbackup borgbackup fails to build with Python 3.14: OSError: AF_UNIX path too long when compiling
buildstream 🔴 Copr - buildstream F43FailsToInstall: buildstream
cantera 🔴 Copr - cantera F43FailsToInstall: python3-cantera
chirp 🔴 Copr - chirp chirp FTBFS in rawhide
cjdns 🔴 Copr - cjdns cjdns: FTBFS in Fedora rawhide/f42
conda-build 🔴 Copr - conda-build conda-build fails to build with Python 3.14: TypeError: _WorkItem.__init__() takes 3 positional arguments but 5 were given
copr-backend 🔴 Copr - copr-backend copr-backend fails to build with Python 3.14: TestActionWorkerManager.test_add_task_for_running_worker: TypeError: cannot pickle 'itertools.count' object
criu 🔴 Copr - criu criu fails to build with Python 3.14: protobuf - TypeError: Metaclasses with custom tp_new are not supported.
diceware 🔴 Copr - diceware diceware: FTBFS in Fedora rawhide/f42
diceware fails to build with sphinx 8.x: ERROR: Invalid value `None` in intersphinx_mapping['http://docs.python.org/'].
dlib 🔴 Copr - dlib dlib fails to build with Python 3.14: AssertionError in tests checking refcounting
httpie 🔴 Copr - httpie httpie fails to build with Python 3.14: test_lazy_choices_help: AssertionError: Expected 'getter' to not have been called. Called 1 times.
kurchu 🔴 Copr - kurchu F43FailsToInstall: kurchu
libpeas 🔴 Copr - libpeas libpeas fails to build with Python 3.14: test-extension-py TIMEOUT
libunity 🔴 Copr - libunity libunity: FTBFS in Fedora Rawhide (probably since gettext 0.25)
linode-cli 🔴 Copr - linode-cli linode-cli fails to build with Python 3.14: The current dist-git state is unbuildable
linode-cli: FTBFS in Fedora rawhide/f42
monkeytype 🔴 Copr - monkeytype monkeytype fails to build with Python 3.14: typing.Union changed with Python 3.14.0a6
ocrmypdf 🔴 Copr - ocrmypdf ocrmypdf fails to build with Python 3.14: multiprocessing.Process now starts with forkserver method instead of fork, causing pickling error
opencv 🔴 Copr - opencv opencv fails to build with Python 3.14: a failure in the %build phase
patool 🔴 Copr - patool patool fails to build with Python 3.14: Codec Load Error: /usr/bin/7z.so : errno=25 : Inappropriate ioctl for device
pcs 🔴 Copr - pcs F43FailsToInstall: pcs, pcs-web-ui
pychess 🔴 Copr - pychess pychess fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
pylibacl 🔴 Copr - pylibacl pylibacl fails to build with Python 3.14: tests/test_acls.py::TestModification: Failed: Wrong reference count, expected 2-1024 and got 1
pylint 🔴 Copr - pylint pylint fails to build with Python 3.14: AssertionError tests/test_functional.py::test_functional
pyserial-asyncio 🔴 Copr - pyserial-asyncio pyserial-asyncio fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
pysubnettree 🔴 Copr - pysubnettree pysubnettree fails to build with Python 3.14/Fedora Rawhide: error: too many arguments to function ‘func’; expected 0, have 1
pysubnettree: FTBFS in Fedora rawhide/f42
python-Mastodon 🔴 Copr - python-Mastodon python-Mastodon fails to build with Python 3.14: ValueError: Unknown type <something> | None
python-TestSlide 🔴 Copr - python-TestSlide F43FailsToInstall: python3-testslide
Heads-up: python-TestSlide fails to build with python-pygments 2.19.1 on Fedora 43
python-TestSlide fails to build with Python 3.14: ERROR collecting tests/mock_callable_testslide.py: RuntimeError: dictionary changed size during iteration
python-aiokafka 🔴 Copr - python-aiokafka python-aiokafka fails to build with Python 3.14: DeprecationWarning: 'asyncio.get_event_loop_policy' is deprecated and slated for removal in Python 3.16
python-ansible-runner 🔴 Copr - python-ansible-runner F43FailsToInstall: python3-ansible-runner
python-astdoc 🔴 Copr - python-astdoc python-astdoc fails to build with Python 3.14: 3 doctests fail, e.g.: Expected: <ast.Name object at 0x...> Got: Name(id='int', ctx=Load())
python-avocado 🔴 Copr - python-avocado python-avocado: FTBFS in Fedora rawhide/f42
python-avocado fails to build with Python 3.14: Error running method "pre_tests" of plugin "fetchasset": module 'ast' has no attribute 'Str' + Avocado crashed: TypeError: cannot pickle '_thread.RLock' object
python-awesomeversion 🔴 Copr - python-awesomeversion python-awesomeversion fails to build in Fedora Rawhide: rm: cannot remove '/builddir/build/BUILD/python-awesomeversion-22.9.0-build/BUILDROOT//usr/lib/python3.14/site-packages/LICENCE.md': No such file or directory
python-aws-sam-translator 🔴 Copr - python-aws-sam-translator python-aws-sam-translator fails to build with Python 3.14: 77 test failures, 4 error
python-beancount 🔴 Copr - python-beancount python-beancount fails to build with Python 3.14: TestReferenceCounting and TestLexer fail with AssertionError
python-beartype 🔴 Copr - python-beartype python-beartype: FTBFS in Fedora rawhide/f42
python-beartype fails to build with Python 3.14: ImportError: cannot import name 'ByteString' from 'typing'
python-billiard 🔴 Copr - python-billiard python-billiard fails to build with Python 3.14: AttributeError: module 'subprocess' has no attribute '_USE_VFORK'
python-capturer 🔴 Copr - python-capturer python-capturer fails to build with Python 3.14: OSError: [Errno 29] Illegal seek
python-catkin_tools 🔴 Copr - python-catkin_tools python-catkin_tools: FTBFS in Fedora rawhide/f42
python-catkin_tools fails to build with sphinx 8.x: ERROR: Invalid value `None` in intersphinx_mapping['http://docs.python.org/'].
python-cerberus 🔴 Copr - python-cerberus python-cerberus fails to build in Fedora Rawhide: File not found: /builddir/build/BUILD/python-cerberus-1.3.4-build/BUILDROOT/usr/lib/python3.14/site-packages/Cerberus-1.3.4.dist-info
python-chalice 🔴 Copr - python-chalice python-chalice fails to build with Python 3.14: AttributeError: module 'ast' has no attribute 'Str'
python-colcon-meson 🔴 Copr - python-colcon-meson python-colcon-meson fails to build with Python 3.14: test_capital_case: TypeError: InterpreterBase.__init__() missing 2 required positional arguments: 'subproject_dir' and 'env'
python-colcon-parallel-executor 🔴 Copr - python-colcon-parallel-executor python-colcon-parallel-executor fails to build with Python 3.14: test_parallel: AssertionError: DeprecationWarning: 'asyncio.iscoroutinefunction' is deprecated and slated for removal in Python 3.16; use inspect.iscoroutinefunction() instead
python-confuse 🔴 Copr - python-confuse python-confuse fails to build with Python 3.14: AttributeError: module 'pkgutil' has no attribute 'get_loader'
python-crcmod 🔴 Copr - python-crcmod python-crcmod fails to build with sphinx 8.x: ERROR: Invalid value `None` in intersphinx_mapping['/usr/share/doc/python3-docs/html/'].
python-crick 🔴 Copr - python-crick python-crick fails to build with Python 3.14: crick/tests/test_space_saving.py::test_merge_algorithm[s111-s211] Fatal Python error: Segmentation fault
python-cytoolz 🔴 Copr - python-cytoolz F43FailsToInstall: python3-cytoolz
python-dataclassy 🔴 Copr - python-dataclassy python-dataclassy fails to build with Python 3.14: TypeError: Beta() takes no arguments
python-diff-cover 🔴 Copr - python-diff-cover Heads-up: python-diff-cover fails to build with python-pygments 2.19.1 on Fedora 43
python-django-cacheops 🔴 Copr - python-django-cacheops F43FailsToInstall: python3-django-cacheops
python-django-contrib-comments 🔴 Copr - python-django-contrib-comments python-django-contrib-comments fails to build with Python 3.14: ImportError: Module "django.contrib.auth.hashers" does not define a "UnsaltedMD5PasswordHasher" attribute/class
python-django-filter 🔴 Copr - python-django-filter python-django-filter fails to build with Python 3.14: AttributeError: module 'pkgutil' has no attribute 'find_loader'
python-earthpy 🔴 Copr - python-earthpy F43FailsToInstall: python3-earthpy
python-earthpy: FTBFS in Fedora rawhide/f42
python-fiat 🔴 Copr - python-fiat F43FailsToInstall: python3-fiat
python-flake8-comprehensions 🔴 Copr - python-flake8-comprehensions python-flake8-comprehensions fails to build with Python 3.14: Unnecessary reversed call around sorted() in 10 tests
python-fsleyes-widgets 🔴 Copr - python-fsleyes-widgets python-fsleyes-widgets fails to build with Python 3.14: AssertionError: assert 'file:/home/b...htmlfile.html' == 'file:///home...htmlfile.html'
python-gphoto2 🔴 Copr - python-gphoto2 python-gphoto2 fails to build with Python 3.14: ModuleNotFoundError: No module named 'distutils.command.upload'
python-gphoto2: FTBFS in Fedora rawhide/f42
python-howdoi 🔴 Copr - python-howdoi python-howdoi fails to build with Python 3.14: AssertionError: 'ERROR: Unable to reach google. Do you need to use a proxy? + json.decoder.JSONDecodeError
python-ipfshttpclient 🔴 Copr - python-ipfshttpclient python-ipfshttpclient fails to build with Python 3.14: AssertionError: assert ['(?![.])(?s:literal)\\z'] == ['(?![.])(?s:literal)\\Z']
python-janus 🔴 Copr - python-janus F43FailsToInstall: python3-janus
python-markups 🔴 Copr - python-markups python-markups fails to build with Python 3.14: AssertionError in test_get_pygments_stylesheet
python-neatdend 🔴 Copr - python-neatdend python-neatdend: FTBFS in Fedora rawhide/f42
python-niaarmts 🔴 Copr - python-niaarmts python-niaarmts fails to build with Python 3.14: ERROR: Package 'niaarmts' requires a different Python: 3.14.0 not in '<3.14,>=3.11'
python-octave-kernel 🔴 Copr - python-octave-kernel python-octave-kernel: FTBFS in Fedora rawhide/f42
python-pamela 🔴 Copr - python-pamela python-pamela fails to build with Python 3.14: pamela.PAMError: [PAM Error 26] Critical error - immediate abort
python-partd 🔴 Copr - python-partd F43FailsToInstall: python3-partd+complete, python3-partd
python-pkginfo2 🔴 Copr - python-pkginfo2 python-pkginfo2: FTBFS in Fedora Rawhide: AssertionError: None != '30.0.0'
python-plotnine 🔴 Copr - python-plotnine F43FailsToInstall: python3-plotnine+extra, python3-plotnine
python-praw 🔴 Copr - python-praw python-praw fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
python-pure-protobuf 🔴 Copr - python-pure-protobuf python-pure-protobuf fails to build with Python 3.14: ImportError: cannot import name 'ByteString' from 'typing'
python-pycec 🔴 Copr - python-pycec python-pycec fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
python-pyemd 🔴 Copr - python-pyemd python-pyemd fails to build with setuptools 74+
python-pymdown-extensions 🔴 Copr - python-pymdown-extensions F43FailsToInstall: python3-pymdown-extensions+extra, python3-pymdown-extensions
Heads-up: python-pymdown-extensions fails to build with python-pygments 2.19.1 on Fedora 43
python-pymdown-extensions fails to build with Python 3.14: TestAbsolute.test_relative_path and TestAbsoluteFileScheme.test_relative_path AssertionErrors
python-pymeeus 🔴 Copr - python-pymeeus python-pymeeus: FTBFS in Fedora rawhide/f42
python-pymeeus fails to build with sphinx 8.x: ERROR: Invalid value `None` in intersphinx_mapping['https://docs.python.org/'].
python-pyopencl 🔴 Copr - python-pyopencl python-pyopencl: FTBFS in Fedora rawhide/f42
python-pysaml2 🔴 Copr - python-pysaml2 F43FailsToInstall: python3-pysaml2
python-pysaml2: FTBFS in Fedora rawhide/f42
python-pytest-lsp 🔴 Copr - python-pytest-lsp python-pytest-lsp fails to build with Python 3.14: warnings counts differ, resulting in AssertionError in 3 tests
python-pytest-twisted 🔴 Copr - python-pytest-twisted python-pytest-twisted fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
python-pyupgrade 🔴 Copr - python-pyupgrade python-pyupgrade fails to build with Python 3.14: AttributeError: module 'ast' has no attribute 'Str'
python-pyvlx 🔴 Copr - python-pyvlx python-pyvlx fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
python-qcelemental 🔴 Copr - python-qcelemental F43FailsToInstall: python3-qcelemental
python-readability-lxml 🔴 Copr - python-readability-lxml python-readability-lxml fails to build with Python 3.14: _pickle.PicklingError: Can't pickle <function TestArticleOnly.test_many_repeated_spaces at 0x7ff0ea064460>: it's not the same object as tests.test_article_only.TestArticleOnly.test_many_repeated_spa
python-recordclass 🔴 Copr - python-recordclass python-recordclass fails to build with Python 3.14: 25 failures, 65 errors in the test suite
python-remoto 🔴 Copr - python-remoto python-remoto fails to build with Python 3.14: AttributeError: 'TestRemoteError' object has no attribute 'traceback'
python-remoto: FTBFS in Fedora rawhide/f42
python-rosdep 🔴 Copr - python-rosdep python-rosdep: FTBFS in Fedora rawhide/f42
python-rosdep fails to build with sphinx 8.x: ERROR: Invalid value `None` in intersphinx_mapping['http://docs.python.org/'].
python-rstcheck 🔴 Copr - python-rstcheck python-rstcheck fails to build with Python 3.14: AttributeError: 'Constant' object has no attribute 's'
python-rx 🔴 Copr - python-rx python-rx fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
python-simframe 🔴 Copr - python-simframe python-simframe fails to build with Python 3.14: TypeError: cannot pickle 'itertools.cycle' object
python-sphinx-autobuild 🔴 Copr - python-sphinx-autobuild F43FailsToInstall: python3-sphinx-autobuild
python-sqlmodel 🔴 Copr - python-sqlmodel F43FailsToInstall: python3-sqlmodel, python3-sqlmodel-slim
python-textual 🔴 Copr - python-textual python-textual fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
python-textual: FTBFS in Fedora rawhide/f42
python-torch 🔴 Copr - python-torch F43FailsToInstall: python3-torch
python-towncrier 🔴 Copr - python-towncrier python-towncrier FTBFS due to missing tox configuration
python-txaio 🔴 Copr - python-txaio python-txaio fails to build with Python 3.14: RuntimeError: There is no current event loop in thread 'MainThread'.
python-typing-inspect 🔴 Copr - python-typing-inspect python-typing-inspect fails to build with Python 3.14: AssertionError: {} != {'x': <class 'int'>, 'y': <class 'int'>}
python-uvloop 🔴 Copr - python-uvloop python-uvloop: FTBFS in Fedora rawhide/f42
python-uvloop fails to build with Python 3.14: AttributeError: module 'asyncio' has no attribute 'AbstractChildWatcher'
python-valkey 🔴 Copr - python-valkey python-valkey fails to build with Python 3.14: _pickle.PicklingError: Can't pickle local object <function TestMultiprocessing.test_close_connection_in_child.<locals>.target at 0x7f5aa68cddd0>
python-wordcloud 🔴 Copr - python-wordcloud python-wordcloud fails to build with Python 3.14: test_cli_as_executable: AssertionError: assert expected_output in out if ret_code == 0 else err
python-yappi 🔴 Copr - python-yappi python-yappi fails to build with Python 3.14: error: invalid use of incomplete typedef ‘PyGenObject’ {aka ‘struct _PyGenObject’}
python3-exiv2 🔴 Copr - python3-exiv2 python3-exiv2 FTBFS due to missing tox configuration
qtile 🔴 Copr - qtile qtile fails to build with Python 3.14: _pickle.PicklingError: Can't pickle local object <function TestManager.start.<locals>.run_qtile at 0x7f9c5918fed0>
rpm-head-signing 🔴 Copr - rpm-head-signing rpm-head-signing: FTBFS in Fedora Rawhide with RPM 6
rss2email 🔴 Copr - rss2email rss2email fails to build with Python 3.14: ERROR: test_email_data/tails/1.config...
signon-glib 🔴 Copr - signon-glib signon-glib: FTBFS in Fedora rawhide/f42
strongswan 🔴 Copr - strongswan strongswan: FTBFS in Fedora Rawhide: error: possibly undefined macro: AC_LIB_PREFIX
strongswan-5.9.14-5.fc42 FTBFS: strongswan-5.9.14/missing: line 81: aclocal-1.16: command not found
sugar 🔴 Copr - sugar sugar: FTBFS in Fedora Rawhide
sugar-toolkit-gtk3 🔴 Copr - sugar-toolkit-gtk3 F43FailsToInstall: sugar-toolkit-gtk3
tmt 🔴 Copr - tmt F43FailsToInstall: tmt+all, tmt+export-polarion, tmt+link-jira, tmt+provision-beaker, tmt+provision-bootc, tmt+provision-container, tmt+provision-virtual, tmt+report-junit, tmt+report-polarion, tmt+test-convert, tmt
visidata 🔴 Copr - visidata visidata fails to build with Python 3.14: TestVisidataPath.test_withName: AssertionError: assert 'foo' == 'foo.'
zeek 🔴 Copr - zeek zeek fails to build in Fedora Rawhide: Could not find prerequisite package 'BIND'
zeek: FTBFS in Fedora rawhide/f42

Thanks

This is derivative work from pyreadiness.org and pythonwheels.com, a site that tracks which Python distributions ship the wheel distribution.