| case_id,downstream,downstream_version,source,library,old_version,new_version,expected,l_kind,l_dynamic,tests_before,tests_after,notes |
| U1_01,readability-lxml,0.8.1,git tag,lxml,5.1.1,5.2.0,break,compiled,no,9/0/0,0/0/1,lxml 5.2 split lxml.html.clean into separate lxml_html_clean project; tests via git tag v0.8.1; test dep timeout_decorator added |
| U1_02,sqlmodel,0.0.8,git tag,pydantic,1.10.9,2.0,break,pure,yes,82/1/0,0/0/0 (conftest ImportError),"pydantic 2 _migration __getattr__ raises PydanticImportError for removed v1 names; L forced via uv --override (sqlmodel pins pydantic<2); Python 3.10, SQLAlchemy 1.4.41; tests/test_tutorial/test_fastapi skipped (needs fastapi, which itself needs pydantic<2 at that date); 1 pre-existing before failure (test_code_structure subprocess)" |
| U1_03,nptyping,2.5.0,git tag,numpy,1.26.4,2.0.0,break,compiled,yes,85/2/1,9/1/13,"numpy 2.0 module __getattr__ raises AttributeError for expired scalar aliases; L forced via --override (nptyping pins numpy<2); extras beartype/typeguard/pandas installed; skipped test_mypy, test_pyright, test_wheel, test_package_info (network), pandas_/test_mypy_dataframe; before failures (beartype/typeguard/fork-sync) are pre-existing; typing_.pyi stub uses of the same names not listed (not executed)" |
| U1_04,Cerberus,1.3.4,git tag,setuptools,81.0.0,82.0.0,break,pure,no,241/0/0,0/0/0 (conftest ImportError),setuptools 82.0.0 no longer ships pkg_resources; cerberus/__init__.py imports it at top level; pytest.ini addopts (--maxfail=2) overridden |
| U1_05,pyyaml-include,1.2.post2,sdist,pyyaml,5.4.1,6.0,break,compiled,no,35/0/0,2/0/2,"Python 3.9; L forced via --override (D pins PyYAML<6.0); after: test helper version gate raises RuntimeError at import, masking yaml.YAMLLoadWarning / Loader-less yaml.load uses in test code; library code itself compatible" |
| U1_06,netrd,0.2.2,git tag,networkx,2.8.8,3.0,break,pure,no,11/4/0,10/5/0,"Python 3.10; git tag v0.2.2 (no v0.3.0 tag); notebooks/doc dropped; 4 pre-existing failures (distance isclose asserts, missing data path, np.float in partial_correlation) unchanged; test_same_graph/test_weighted_input stop at first failing distance so later distance classes are not exercised in either venv" |
| U1_07,sqlalchemy-mixins,1.5.3,git tag,sqlalchemy,1.4.46,2.0.0,break,compiled,no,76/0/0,55/21/0,"nose added as test dep; all 21 regressions are SA 2.0 rejecting string attribute paths in loader options (ArgumentError) - names/signatures unchanged, so classified other; MovedIn20Warning for sqlalchemy.ext.declarative.declarative_base only warns" |
| U1_08,flask-restx,0.5.1,git tag,werkzeug,2.1.2,2.2.0,break,pure,no,1176/41/1,0/0/6 (conftest ImportError),"Python 3.10, Flask 2.1.3 in both; test deps blinker Faker mock pytest-flask pytest-mock tzlocal (unpinned, resolved at 2022-07-30); tests/benchmarks ignored; 41 pre-existing failures (reqparse JSON content-type, network gaierror) unchanged in nature" |
| U1_09,empyrical,0.5.5,git tag,pandas,1.5.3,2.0.0,break,compiled,no,695/10/0,694/11/0,"test deps parameterized, six; 10 pre-existing failures (scipy linregress on constant x, perf_attrib_simple freq assertion); only regression is test code passing read_csv(squeeze=True); library code itself uses no removed pandas API" |
| U1_10,PeakUtils,1.3.4,sdist,scipy,1.13.1,1.14.0,break,compiled,yes,24/0/0,0/0/1,scipy 1.14.0 removed scipy.integrate.simps (alias of simpson); scipy namespaces are lazily loaded via module __getattr__; numpy 2.0.0 and pandas 2.2.2 in both venvs; tests/perf.py not run |
| U1_11,UpSetPlot,0.9.0,git tag,matplotlib,3.8.4,3.9.0,break,compiled,no,233/6/0,224/15/0,"MPLBACKEND=Agg; setup.cfg addopts (--doctest-modules, --cov) overridden; doc/ dropped; 6 pre-existing test_process_data_frame failures (pandas 2.2) unchanged; matplotlib.tight_layout import is try/except-guarded and already absent before" |
| U1_12,related,0.6.3,sdist,attrs,19.1.0,19.2.0,break,pure,no,30/4/0,5/0/9,"Python 3.8, resolution at 2019-10-10 except singledispatch backport (3.7.0, needed on py3.8); attrs 19.2.0 removed the long-deprecated convert= keyword of attr.ib; 4 pre-existing failures from data files missing in sdist" |
| U1_13,scikit-fuzzy,0.4.2,sdist,numpy,1.23.5,1.24.0,break,compiled,yes,78/1/4,77/2/4,"Python 3.9 (nose test helpers); numpy 1.24 expired np.float alias via module __getattr__; pre-existing: 4 collection errors (numpy.testing.decorators removed earlier, matplotlib not installed) and test_c2d (scipy.linalg.pinv2 removed in scipy 1.9.3) in both venvs" |
| U1_14,readability-lxml,0.8.1,git tag,lxml,4.9.3,4.9.4,control,compiled,no,9/0/0,9/0/0,Patch upgrade control; same source tree as U1_01; no regressions |
| U1_15,UpSetPlot,0.9.0,git tag,pandas,2.2.1,2.2.2,control,compiled,no,233/6/0,233/6/0,Patch upgrade control; same tree as U1_11; matplotlib pinned 3.8.4 in both; same 6 pre-existing failures |
| U1_16,sqlalchemy-mixins,1.5.3,git tag,sqlalchemy,1.4.45,1.4.46,control,compiled,no,76/0/0,76/0/0,Patch upgrade control; same tree as U1_07; nose test dep |
| U1_17,flask-restx,0.5.1,git tag,werkzeug,2.1.1,2.1.2,control,pure,no,1176/41/1,1176/41/1,Patch upgrade control; same tree and test deps as U1_08; Flask 2.1.3 in both |
| U1_18,pyyaml-include,1.2.post2,sdist,pyyaml,5.3.1,5.4.1,control,compiled,no,35/0/0,35/0/0,Minor upgrade control; Python 3.8; same tree as U1_05 |
| U2_01,pip-requirements-parser,31.2.0,sdist,packaging,21.3,22.0,break,pure,yes,433/1/0,0/0/26,packaging 22 removed LegacyVersion (listed lazily-removed/legacy API); module-level import fails so all 26 test modules error at collection; pytest pinned 8.4.2 in both (pytest 9 needs packaging>=22); built with setuptools<66 because python_requires '>=3.6.*' is rejected by new packaging; pre-existing failure test_requirement_file (missing tempdir attr) in both |
| U2_02,python-jose,3.2.0,sdist,cryptography,3.0,37.0.0,break,compiled,no,414/0/0,154/0/0,"No test fails: cryptography 37 removed cryptography.utils.int_from_bytes, so 'import jose.backends.cryptography_backend' raises ImportError, which jose/backends/__init__.py and the tests' try/except swallow; jose silently falls back to pycryptodome/ecdsa backends and 260 cryptography-backend tests are skipped (1 before) or not generated (21 parametrizations). pycryptodome 3.9.8 installed in both to enable backend-compat tests; pytest 8.4.2; addopts --cov disabled" |
| U2_03,environs,9.5.0,git tag,marshmallow,3.14.1,4.0.0,break,pure,yes,98/0/0,0/0/1,marshmallow 4.0 removed the module-level __version_info__ (deprecated through module __getattr__ since 3.21); environs/__init__.py evaluates it at import so tests/test_environs.py errors at collection (98 tests lost); installed with [tests] extra; pytest 8.4.2 |
| U2_04,environs,9.5.0,git tag,marshmallow,3.14.1,3.21.3,control,pure,yes,98/0/0,98/0/0,"Control: in 3.21 marshmallow.__version_info__ is served by a module __getattr__ deprecation shim, so environs/__init__.py:58 and tests/test_environs.py:180 only emit DeprecationWarning; no failures. Same source tree as U2_03; pytest 8.4.2" |
| U2_05,Flask-Moment,0.11.0,git tag,jinja2,3.0.3,3.1.0,break,pure,yes,48/0/0,0/0/1,"jinja2 3.1 dropped the deprecated re-export jinja2.Markup (a markupsafe.Markup wrapper in jinja2.utils in 3.0); tests/conftest.py imports flask_moment so pytest aborts with ImportError while loading conftest (exit 4, 48 tests lost). flask 2.0.3 and werkzeug 2.0.3 pinned in both; Python 3.11 needed for distutils; pytest 8.4.2" |
| U2_06,Flask-Babel,2.0.0,sdist,flask,2.2.5,3.0.0,break,pure,no,27/0/0,0/0/4,"flask 3.0 removed flask.helpers.locked_cached_property (deprecated in 2.3); all 4 test modules error at collection. werkzeug pinned to match flask (2.2.3 / 3.0.0, a forced transitive change); babel 2.9.1, pytz 2023.3, pytest 8.4.2 and pytest-mock 3.14.0 pinned in both (newer babel and missing pytest-mock give unrelated baseline failures). With the import stubbed by functools.cached_property all 27 tests pass, so no further masked breakage" |
| U2_07,aioresponses,0.7.2,sdist,aiohttp,3.7.4.post0,3.9.1,break,compiled,no,53/2/0,49/6/0,"Python 3.9 (aiohttp 3.7 has no cp311 wheels). 4 pass->fail, all behaviour: aiohttp 3.9 ClientResponse.read() awaits the writer passed to the constructor, but aioresponses passes writer=Mock(). The 2 failures in both runs (test_pass_through_with_origin_params, test_address_as_instance_of_url_combined_with_pass_through) need network access to httpbin.org and were not counted. ddt 1.4.1, setuptools<70 (pkg_resources) and pytest 8.4.2 pinned in both; aiohttp's own deps (async-timeout, aiosignal, frozenlist, chardet) differ as resolved" |
| U2_08,pytest-describe,2.0.1,sdist,pytest,7.4.4,8.4.0,break,pure,no,30/0/0,29/1/0,"The plugin uses private pytest internals. The tests also pass unchanged on pytest 8.0.0, 8.1.1, 8.2.2 and 8.3.5 (probed), and first break at 8.4.0, where @pytest.fixture returns a FixtureFunctionDefinition object instead of a plain function. py 1.11.0 installed in both (tests use py.code); pygments is pulled in by newer pytest" |
| U2_09,Jinja2,2.11.3,sdist,markupsafe,1.1.1,2.1.0,break,compiled,yes,744/0/3,0/0/1,"markupsafe 2.1 removed soft_unicode, which 2.0 kept only as a deprecation shim around soft_str. Importing jinja2 fails in filters.py, so pytest aborts loading tests/conftest.py (exit 4). Python 3.9 with markupsafe 1.1.1 built from sdist (C speedups). pytest 6.2.5 pinned in both, because pytest 8 deprecation warnings plus filterwarnings=error break the baseline. The 3 baseline errors in test_loader (package/choice loader) need pkg_resources, which is not installed, and were not counted. With both imports stubbed to soft_str, all 744 tests pass" |
| U2_10,typer,0.4.0,sdist,click,8.0.4,8.1.0,break,pure,no,492/0/0,0/0/116,"click 8.1 removed click.termui.get_terminal_size (deprecated wrapper in 8.0); typer/__init__.py re-exports it so all 116 test modules error at collection. Installed non-editable (flit_core<3 has no editable hook) with PYTHONPATH pointing at the stored tree. Python 3.10; pytest 6.2.5, coverage 5.5 (on PATH for subprocess tests), shellingham 1.4.0 and setuptools<70 (pkg_resources) pinned in both. With the import stubbed to shutil.get_terminal_size all 492 tests pass; the autocompletion kwarg is only passed when click major is 7, so it is not hit" |
| U2_11,starlette,0.36.3,sdist,httpx,0.26.0,0.28.0,break,pure,no,781/2/0,137/598/50,"httpx 0.28 removed the app= shortcut argument from Client.__init__ (deprecated in 0.27); starlette.testclient.TestClient passes app=self.app, so every TestClient-based test fails or errors in setup (644 pass->fail). Test deps pinned in both from starlette's requirements.txt (anyio 4.2.0, trio 0.24.0, itsdangerous 2.1.2, jinja2 3.1.3, python-multipart 0.0.7, pyyaml 6.0.1, typing_extensions 4.9.0, pytest 8.0.0); httpcore resolves the same. The 2 test_staticfiles permission tests fail in both because the tests run as root, and were not counted" |
| U2_12,docstrfmt,1.9.0,git tag,docutils,0.20.1,0.22,break,pure,no,107/0/0,0/0/1,"docutils 0.22 removed the docutils.utils.roman module; docstrfmt/util.py imports it and tests/conftest.py imports docstrfmt, so pytest aborts loading conftest (exit 4). docstrfmt pins docutils==0.20.*, so the after venv forces docutils 0.22 with a uv --override; this also overrides sphinx 8.0.2's docutils<0.22 pin. sphinx 8.0.2, black 24.8.0, libcst 1.4.0, aiohttp 3.10.5, click 8.1.7, platformdirs 4.2.2, pytest 8.3.2, pytest-aiohttp 1.0.5 and pytest-asyncio 0.23.8 pinned in both. The git tag is used because the sdist lacks tests/conftest.py. With the import replaced by the standalone roman package, all 107 tests pass" |
| U2_13,requests-file,1.5.1,sdist,requests,2.24.0,2.25.1,control,pure,no,9/0/0,9/0/0,"Control minor upgrade; urllib3 1.25.11, chardet 3.0.4, idna 2.10 and pytest 8.4.2 pinned in both. 2 tests skipped in both runs: one Windows-only test, plus a permission test that is skipped when running as root" |
| U2_14,sprockets.mixins.mediatype,3.0.3,git tag,tornado,6.0.4,6.1,control,compiled,no,43/0/0,43/0/0,"Control minor upgrade of tornado, built with its speedups C extension (6.0.4 from sdist, 6.1 from a wheel). Python 3.9. The git tag is used because the sdist lacks examples.py, which tests.py imports. pytest 7.4.4 pinned, since pytest 8 cannot collect tornado AsyncHTTPTestCase classes with this old layout. ietfparse 1.7.0, u-msgpack-python 2.7.1 and setuptools<70 (pkg_resources namespace package) pinned; built with setuptools<66" |
| U2_15,sphinx-click,4.3.0,sdist,sphinx,5.0.2,5.1.1,control,pure,no,20/0/0,20/0/0,"Control minor upgrade. sphinx_click/ext.py imports sphinx.application, sphinx.util.logging and sphinx.util.nodes; the after run emits no sphinx deprecation warning; its only new warning comes from docutils' latex2mathml. Python 3.10; docutils 0.18.1, click 8.1.3, jinja2 3.1.2 and pytest 7.1.2 pinned in both; built with setuptools<66 (pbr)" |
| U2_16,docker,6.0.1,sdist,urllib3,1.26.12,2.0.2,break,pure,no,569/0/0,568/1/0,"Only tests/unit was run; tests/integration needs a Docker daemon and was skipped. 10 unit tests are skipped in both runs (Windows/npipe and similar) and 1 xfail. requests 2.31.0 (accepts urllib3 1.x and 2.x), paramiko 2.11.0, websocket-client 1.4.1, pytest 7.1.2 and pytest-timeout 2.1.0 pinned in both. The single new failure is a behaviour/contract change: urllib3 2 calls conn.request(..., chunked=...) on pool connections, but docker's connection classes subclass the stdlib http.client.HTTPConnection" |
| U2_17,docker,6.0.1,sdist,urllib3,1.26.12,1.26.18,control,pure,no,569/0/0,569/0/0,"Control patch upgrade, same source tree and pins as U2_16. Only tests/unit was run (integration tests need a Docker daemon); 10 tests are skipped and 1 xfails in both runs" |
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