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env name expansion changes in 4.0 #2616

Closed
#2626
Closed
env name expansion changes in 4.0#2616
#2626
Labels
bug:normalaffects many people or has quite an impacthelp:wantedIssues that have been acknowledged, a solution determined and a PR might likely be accepted.
@guruofgentoo

Description

@guruofgentoo
guruofgentoo
opened on Dec 7, 2022

Issue

Our library tox.ini files use envlist expansion sets to spawn a number of requirements configurations on each python version. In the 4.0.0 release, the expected environments are not listed. And, when running tox, it yields "conflicting factors" errors.

The issue seems to be limited to set expansion, but does not appear to be related to the listed breaking changes in the FAQ. If I set envlist manually to list all of the expected environments, tox will pass.

Environment

Provide at least:

  • OS: Ubuntu 20.04 LTS
  • pip list of the host Python where tox is installed:
Package       Version
------------- -------
build         0.9.0
cachetools    5.2.0
chardet       5.1.0
click         8.1.3
colorama      0.4.6
distlib       0.3.6
filelock      3.8.2
packaging     21.3
pep517        0.13.0
pip           22.3.1
pip-tools     6.11.0
platformdirs  2.6.0
pluggy        1.0.0
pyparsing     3.0.9
pyproject_api 1.2.1
setuptools    65.6.3
tomli         2.0.1
tox           4.0.0
virtualenv    20.17.1
wheel         0.38.4

Output of running tox

Provide the output of tox -rvv:

.pkg: 252 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 252 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 252 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 252 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 252 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 252 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 252 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 252 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 252 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 253 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 253 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 253 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 253 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 253 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 253 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 253 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 253 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 253 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 253 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 253 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 253 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 253 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 253 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 253 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 253 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 253 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 253 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 253 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 253 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 253 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 253 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 254 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 254 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 254 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 254 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 254 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 254 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 254 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 254 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 254 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 254 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 254 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 254 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 254 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 254 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 254 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 254 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 254 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 255 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 255 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 255 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 255 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 255 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 255 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 255 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 255 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 255 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 255 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 255 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 255 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 255 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 255 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 255 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 255 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 255 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 255 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 255 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 255 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 255 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 255 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 255 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 255 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 255 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 255 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 255 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 255 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
ROOT: 255 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
ROOT: 255 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
ROOT: 255 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
ROOT: 255 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py37-: 256 W remove tox env folder /storage/level12-lib/keg-elements/.tox/py37- [tox/tox_env/api.py:292]
py37-: 257 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py37-: 257 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py37-: 257 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py37-: 257 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py37-: 257 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py37-: 257 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py37-: 257 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py37-: 257 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 257 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 257 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 257 W remove tox env folder /storage/level12-lib/keg-elements/.tox/.pkg [tox/tox_env/api.py:292]
.pkg: 257 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 257 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py37-: 257 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py37-: 257 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py37-: 257 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py37-: 257 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py37-: 258 E internal error [tox/session/cmd/run/single.py:57]
Traceback (most recent call last):
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/session/cmd/run/single.py", line 45, in _evaluate
    tox_env.setup()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/api.py", line 226, in setup
    self._setup_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/runner.py", line 89, in _setup_env
    super()._setup_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 162, in _setup_env
    self.ensure_python_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 166, in ensure_python_env
    conf = self.python_cache()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/virtual_env/api.py", line 77, in python_cache
    base = super().python_cache()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 200, in python_cache
    "version_info": list(self.base_python.version_info),
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 207, in base_python
    base_pythons: list[str] = self.conf["base_python"]
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/sets.py", line 113, in __getitem__
    return self.load(item)
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/sets.py", line 124, in load
    return config_definition.__call__(self._conf, self.loaders, ConfigLoadArgs(chain, self.name, self.env_name))
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/of_type.py", line 110, in __call__
    value = self.default(conf, args.env_name) if callable(self.default) else self.default
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 103, in default_base_python
    base_python = None if env_name is None else self.extract_base_python(env_name)
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 116, in extract_base_python
    raise ValueError(f"conflicting factors {', '.join(candidates)} in {env_name}")
ValueError: conflicting factors py37,  in py37-
py37-: 258 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py37-: 258 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py37-: 258 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py37-: 258 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py37-: 258 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py37-: 258 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py37-: 258 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py37-: 258 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 258 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 258 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 258 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 258 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py37-: 259 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py37-: 259 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py37-: 259 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py37-: 259 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py38-: 259 W remove tox env folder /storage/level12-lib/keg-elements/.tox/py38- [tox/tox_env/api.py:292]
py37-: FAIL ✖ in 0 seconds
py38-: 259 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py38-: 259 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py38-: 259 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py38-: 259 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py38-: 259 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py38-: 259 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py38-: 259 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py38-: 259 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 259 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 259 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 259 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 259 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py38-: 259 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py38-: 260 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py38-: 260 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py38-: 260 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py38-: 260 E internal error [tox/session/cmd/run/single.py:57]
Traceback (most recent call last):
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/session/cmd/run/single.py", line 45, in _evaluate
    tox_env.setup()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/api.py", line 226, in setup
    self._setup_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/runner.py", line 89, in _setup_env
    super()._setup_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 162, in _setup_env
    self.ensure_python_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 166, in ensure_python_env
    conf = self.python_cache()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/virtual_env/api.py", line 77, in python_cache
    base = super().python_cache()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 200, in python_cache
    "version_info": list(self.base_python.version_info),
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 207, in base_python
    base_pythons: list[str] = self.conf["base_python"]
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/sets.py", line 113, in __getitem__
    return self.load(item)
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/sets.py", line 124, in load
    return config_definition.__call__(self._conf, self.loaders, ConfigLoadArgs(chain, self.name, self.env_name))
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/of_type.py", line 110, in __call__
    value = self.default(conf, args.env_name) if callable(self.default) else self.default
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 103, in default_base_python
    base_python = None if env_name is None else self.extract_base_python(env_name)
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 116, in extract_base_python
    raise ValueError(f"conflicting factors {', '.join(candidates)} in {env_name}")
ValueError: conflicting factors py38,  in py38-
py38-: 260 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py38-: 260 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py38-: 260 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py38-: 260 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py38-: 260 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py38-: 260 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py38-: 260 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py38-: 260 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 260 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 260 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 260 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 260 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py38-: 260 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py38-: 260 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py38-: 260 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py38-: 260 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py39-: 260 W remove tox env folder /storage/level12-lib/keg-elements/.tox/py39- [tox/tox_env/api.py:292]
py38-: FAIL ✖ in 0 seconds
py39-: 261 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py39-: 261 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py39-: 261 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py39-: 261 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py39-: 261 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py39-: 261 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py39-: 261 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py39-: 261 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 261 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 261 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 261 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 261 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py39-: 261 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py39-: 261 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py39-: 261 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py39-: 261 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py39-: 261 E internal error [tox/session/cmd/run/single.py:57]
Traceback (most recent call last):
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/session/cmd/run/single.py", line 45, in _evaluate
    tox_env.setup()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/api.py", line 226, in setup
    self._setup_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/runner.py", line 89, in _setup_env
    super()._setup_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 162, in _setup_env
    self.ensure_python_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 166, in ensure_python_env
    conf = self.python_cache()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/virtual_env/api.py", line 77, in python_cache
    base = super().python_cache()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 200, in python_cache
    "version_info": list(self.base_python.version_info),
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 207, in base_python
    base_pythons: list[str] = self.conf["base_python"]
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/sets.py", line 113, in __getitem__
    return self.load(item)
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/sets.py", line 124, in load
    return config_definition.__call__(self._conf, self.loaders, ConfigLoadArgs(chain, self.name, self.env_name))
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/of_type.py", line 110, in __call__
    value = self.default(conf, args.env_name) if callable(self.default) else self.default
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 103, in default_base_python
    base_python = None if env_name is None else self.extract_base_python(env_name)
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 116, in extract_base_python
    raise ValueError(f"conflicting factors {', '.join(candidates)} in {env_name}")
ValueError: conflicting factors py39,  in py39-
py39-: 261 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py39-: 261 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py39-: 261 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py39-: 261 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py39-: 261 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py39-: 261 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py39-: 261 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py39-: 261 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 261 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 261 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 261 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 261 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py39-: 261 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py39-: 261 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py39-: 262 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py39-: 262 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py310-: 262 W remove tox env folder /storage/level12-lib/keg-elements/.tox/py310- [tox/tox_env/api.py:292]
py39-: FAIL ✖ in 0 seconds
py310-: 262 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py310-: 262 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py310-: 262 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py310-: 262 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py310-: 262 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py310-: 262 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py310-: 262 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py310-: 262 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 262 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 262 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 262 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 262 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py310-: 262 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py310-: 262 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py310-: 262 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py310-: 262 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py310-: 262 E internal error [tox/session/cmd/run/single.py:57]
Traceback (most recent call last):
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/session/cmd/run/single.py", line 45, in _evaluate
    tox_env.setup()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/api.py", line 226, in setup
    self._setup_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/runner.py", line 89, in _setup_env
    super()._setup_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 162, in _setup_env
    self.ensure_python_env()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 166, in ensure_python_env
    conf = self.python_cache()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/virtual_env/api.py", line 77, in python_cache
    base = super().python_cache()
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 200, in python_cache
    "version_info": list(self.base_python.version_info),
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 207, in base_python
    base_pythons: list[str] = self.conf["base_python"]
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/sets.py", line 113, in __getitem__
    return self.load(item)
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/sets.py", line 124, in load
    return config_definition.__call__(self._conf, self.loaders, ConfigLoadArgs(chain, self.name, self.env_name))
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/config/of_type.py", line 110, in __call__
    value = self.default(conf, args.env_name) if callable(self.default) else self.default
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 103, in default_base_python
    base_python = None if env_name is None else self.extract_base_python(env_name)
  File "/storage/level12-lib/keg-elements/.tempenv/lib/python3.9/site-packages/tox/tox_env/python/api.py", line 116, in extract_base_python
    raise ValueError(f"conflicting factors {', '.join(candidates)} in {env_name}")
ValueError: conflicting factors py310,  in py310-
py310-: 262 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py310-: 263 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py310-: 263 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py310-: 263 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py310-: 263 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py310-: 263 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py310-: 263 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py310-: 263 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
.pkg: 263 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
.pkg: 263 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
.pkg: 263 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
.pkg: 264 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
py310-: 264 D Attempting to acquire lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:172]
py310-: 264 D Lock 140174723123760 acquired on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:176]
py310-: 264 D Attempting to release lock 140174723123760 on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:209]
py310-: 264 D Lock 140174723123760 released on /storage/level12-lib/keg-elements/.tox/.pkg/file.lock [filelock/_api.py:212]
  py37-: FAIL code 2 (0.00 seconds)
  py38-: FAIL code 2 (0.00 seconds)
  py39-: FAIL code 2 (0.00 seconds)
  py310-: FAIL code 2 (0.00 seconds)
  evaluation failed :( (0.16 seconds)

Minimal example

tox.ini:

[tox]
envlist = py37-{base,i18n},py{38,39,310}-{base,i18n,stable}

[testenv]
commands =
    stable: pip install --progress-bar off -r ./stable-requirements.txt
    pip install --progress-bar off .[dev]
    i18n: pip install --progress-bar off .[i18n]
    pip freeze
    py.test keg_elements

Expected tox -l output (from tox 3.27.1):

py37-base
py37-i18n
py38-base
py38-i18n
py38-stable
py39-base
py39-i18n
py39-stable
py310-base
py310-i18n
py310-stable

Actual tox -l output (from tox 4.0.0):

py37-
py38-
py39-
py310-

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