ToolTests::testCombinedTools fails in NixOS

I’m submitting a …

• bug report
• feature request
• question about the decisions made in the repository

What is the current behavior?

Test ToolTests::testCombinedTools fails with the output mentioned in this Nixpkgs issue. The version listed is 18.3.0 but the failure is also reproducible in 18.5.0.

If the current behavior is a bug, please provide the steps to reproduce and if possible a screenshots and logs of the problem. If you can, show us your code.

1. Install NixOS or nix or use https://hub.docker.com/r/nixos/nix/
2. git clone --depth 1 https://github.com/NixOS/nixpkgs
3. cd nixpkgs
4. git checkout 4e4e57bdd3bbfaaf27eab08c6502530c0f52d448
5. export NIXPKGS=$(pwd)
6. nix-build $NIXPKGS -A python37Packages.cherrypy

What is the expected behavior?

Test ToolTests::testCombinedTools fails. All others pass (except 3 XPASS + 3 SKIPPED).

Please tell us about your environment:

platform linux -- Python 3.7.7, pytest-5.3.5, py-1.8.1, pluggy-0.13.1 -- /nix/store/vs4vj1yzqj1bkcqkf3b6sxm6jfy1gb4j-python3-3.7.7/bin/python3.7
cachedir: .pytest_cache
rootdir: /build/CherryPy-18.5.0, inifile: pytest.ini, testpaths: cherrypy/test/
plugins: cov-2.8.1, services-2.0.1
collected 298 items / 1 deselected / 297 selected

Requirement already satisfied: portend>=2.1.1 in /nix/store/8ynzwhpbl3f8hxx0w8x11b15izck1q1x-python3.7-portend-2.6/lib/python3.7/site-packages (from CherryPy==18.5.0) (2.6)
Requirement already satisfied: more-itertools in /nix/store/nlxnby9qcnykhbpaxk4wa3jdivj7mzb3-python3.7-more-itertools-8.0.2/lib/python3.7/site-packages (from CherryPy==18.5.0) (8.0.2)
Requirement already satisfied: cheroot>=8.2.1 in /nix/store/73vm9wzl2779zggh5yp4yp3pi2bby7fn-python3.7-cheroot-8.2.1/lib/python3.7/site-packages (from CherryPy==18.5.0) (8.2.1)
Requirement already satisfied: jaraco.collections in /nix/store/2h7h6g0lj5yp21ql9w97y801iawyp6h7-python3.7-jaraco.collections-2.1/lib/python3.7/site-packages (from CherryPy==18.5.0) (2.1)
Requirement already satisfied: zc.lockfile in /nix/store/irkckny3vvipls1hqc1vmrv6p05abifn-python3.7-zc.lockfile-2.0/lib/python3.7/site-packages (from CherryPy==18.5.0) (2.0)
Requirement already satisfied: tempora>=1.8 in /nix/store/i5n6dpbdk07inlzws2ifjnig8nzkkyzs-python3.7-tempora-1.14.1/lib/python3.7/site-packages (from portend>=2.1.1->CherryPy==18.5.0) (1.14.1)
Requirement already satisfied: jaraco.functools in /nix/store/sdbcp9k4jhf7rcvwlj4hmq372gnmws5b-python3.7-jaraco.functools-2.0/lib/python3.7/site-packages (from cheroot>=8.2.1->CherryPy==18.5.0) (2.0)
Requirement already satisfied: six>=1.11.0 in /nix/store/whv9wb1anihmjvc27y52m6a1xpa52sb7-python3.7-six-1.14.0/lib/python3.7/site-packages (from cheroot>=8.2.1->CherryPy==18.5.0) (1.14.0)
Requirement already satisfied: jaraco.classes in /nix/store/ws17q3fv5iwvpyhkiy49hz4s6fwl2nbj-python3.7-jaraco.classes-3.1.0/lib/python3.7/site-packages (from jaraco.collections->CherryPy==18.5.0) (3.1.0)
Requirement already satisfied: jaraco.text in /nix/store/hs0sd4m4nly7n3gjwzsryc347qir9k8v-python3.7-jaraco.text-3.2.0/lib/python3.7/site-packages (from jaraco.collections->CherryPy==18.5.0) (3.2.0)
Requirement already satisfied: setuptools in /nix/store/kxri2ybkwkzpqms4qf5p8n7wipbb64h9-python3.7-setuptools-45.2.0/lib/python3.7/site-packages (from zc.lockfile->CherryPy==18.5.0) (45.2.0.post20200329)
Requirement already satisfied: pytz in /nix/store/aszlsvifr4ym1lg7k213hxnjqyims6xr-python3.7-pytz-2019.3/lib/python3.7/site-packages (from tempora>=1.8->portend>=2.1.1->CherryPy==18.5.0) (2019.3)

Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, e.g. stackoverflow, gitter, etc.)

https://github.com/NixOS/nixpkgs/issues/84897

[webknjaz]

Looks like it’s reproducible w/ the nightly Python build: https://travis-ci.org/github/cherrypy/cherrypy/jobs/674223158#L569.

[webknjaz]

Oops, wrong issue.