Tox: Env recreation during `tox --devenv` is broken for me

[webknjaz]

So I'm trying to set up the use of --devenv. I must notice that the project doesn't have setup.py and is supposed to rely on new enough setuptools to handle this but this detail _doesn't seem to be related to the error I'm seeing in any way_.

I added

[testenv:.dev-env]
deps =
isolated_build = false
recreate = false
usedevelop = false

to this config: https://github.com/ansible/ansible-lint/blob/f29b70a1cfb868814eaf9ec2b5ec78690ba11fb4/tox.ini
(actually I tried a few option combos, including w/o most of those options)

And here's tox version (I believe I tried it with a bit older version too).

$ tox --version               
3.14.3 imported from ~/.pyenv/versions/3.8.0/envs/ansible-lint-py3.8.0-pyenv-venv/lib/python3.8/site-packages/tox/__init__.py


$ python3 -m tox -vvvv --devenv venv-dev -e .dev-env


using tox.ini: ~/src/github/ansible/ansible-lint/tox.ini (pid 3305238)
  removing ~/src/github/ansible/ansible-lint/.tox/log
could not satisfy requires MissingDependency(<Requirement('setuptools>=41.4.0')>)
using tox-3.14.3 from ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/lib/python3.8/site-packages/tox/__init__.py (pid 3305238)
.tox start: getenv ~/src/github/ansible/ansible-lint/venv-dev
.tox cannot reuse: no previous config ~/src/github/ansible/ansible-lint/venv-dev/.tox-config1
.tox create: ~/src/github/ansible/ansible-lint/venv-dev
~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3 (~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3) is {'executable': '~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3', 'name': 'python', 'version_info': [3, 8, 0, 'final', 0], 'version': '3.8.0 (default, Oct 16 2019, 16:00:06) \n[GCC 7.3.0]', 'is_64': True, 'sysplatform': 'linux'}
.tox uses ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3
  removing ~/src/github/ansible/ansible-lint/venv-dev
setting PATH=~/src/github/ansible/ansible-lint/venv-dev/bin:~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin:~/.pyenv/libexec:~/.pyenv/plugins/python-build/bin:~/.pyenv/plugins/pyenv-virtualenv/bin:~/.pyenv/plugins/pyenv-update/bin:~/.pyenv/plugins/pyenv-installer/bin:~/.pyenv/plugins/pyenv-doctor/bin:~/.nvm/versions/node/v12.2.0/bin:~/.pyenv/shims:/usr/x86_64-pc-linux-gnu/gcc-bin/8.3.0:/usr/lib/llvm/9/bin:/usr/local/bin:/usr/bin:/bin:/opt/bin:~/.pyenv/bin
[3305287] ~/src/github/ansible/ansible-lint$ ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3 -m virtualenv --no-download --python ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3 venv-dev
Already using interpreter ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3
Using base prefix '~/.pyenv/versions/3.8.0'
New python executable in ~/src/github/ansible/ansible-lint/venv-dev/bin/python3
Also creating executable in ~/src/github/ansible/ansible-lint/venv-dev/bin/python
Installing setuptools, pip, wheel...
done.
.tox installdeps: setuptools >= 41.4.0, pip >= 19.3.0, tox >= 3.5.3
setting PATH=~/src/github/ansible/ansible-lint/venv-dev/bin:~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin:~/.pyenv/libexec:~/.pyenv/plugins/python-build/bin:~/.pyenv/plugins/pyenv-virtualenv/bin:~/.pyenv/plugins/pyenv-update/bin:~/.pyenv/plugins/pyenv-installer/bin:~/.pyenv/plugins/pyenv-doctor/bin:~/.nvm/versions/node/v12.2.0/bin:~/.pyenv/shims:/usr/x86_64-pc-linux-gnu/gcc-bin/8.3.0:/usr/lib/llvm/9/bin:/usr/local/bin:/usr/bin:/bin:/opt/bin:~/.pyenv/bin
[3305300] ~/src/github/ansible/ansible-lint$ ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m pip install 'setuptools >= 41.4.0' 'pip >= 19.3.0' 'tox >= 3.5.3'
Requirement already satisfied: setuptools>=41.4.0 in ./venv-dev/lib/python3.8/site-packages (42.0.2)
Requirement already satisfied: pip>=19.3.0 in ./venv-dev/lib/python3.8/site-packages (19.3.1)
Collecting tox>=3.5.3
  Using cached https://files.pythonhosted.org/packages/77/a7/a5b721d9bf955edfe36013e5ecc9136fc6b2fef622ab1797ff0560273d8e/tox-3.14.3-py2.py3-none-any.whl
Collecting toml>=0.9.4
  Using cached https://files.pythonhosted.org/packages/a2/12/ced7105d2de62fa7c8fb5fce92cc4ce66b57c95fb875e9318dba7f8c5db0/toml-0.10.0-py2.py3-none-any.whl
Collecting six<2,>=1.0.0
  Using cached https://files.pythonhosted.org/packages/65/eb/1f97cb97bfc2390a276969c6fae16075da282f5058082d4cb10c6c5c1dba/six-1.14.0-py2.py3-none-any.whl
Collecting py<2,>=1.4.17
  Using cached https://files.pythonhosted.org/packages/99/8d/21e1767c009211a62a8e3067280bfce76e89c9f876180308515942304d2d/py-1.8.1-py2.py3-none-any.whl
Collecting pluggy<1,>=0.12.0
  Using cached https://files.pythonhosted.org/packages/a0/28/85c7aa31b80d150b772fbe4a229487bc6644da9ccb7e427dd8cc60cb8a62/pluggy-0.13.1-py2.py3-none-any.whl
Collecting packaging>=14
  Using cached https://files.pythonhosted.org/packages/d8/5b/3098db49a61ccc8583ffead6aedc226f08ff56dc03106b6ec54451e27a30/packaging-20.0-py2.py3-none-any.whl
Collecting filelock<4,>=3.0.0
  Using cached https://files.pythonhosted.org/packages/93/83/71a2ee6158bb9f39a90c0dea1637f81d5eef866e188e1971a1b1ab01a35a/filelock-3.0.12-py3-none-any.whl
Collecting virtualenv>=16.0.0
  Using cached https://files.pythonhosted.org/packages/05/f1/2e07e8ca50e047b9cc9ad56cf4291f4e041fa73207d000a095fe478abf84/virtualenv-16.7.9-py2.py3-none-any.whl
Collecting pyparsing>=2.0.2
  Using cached https://files.pythonhosted.org/packages/5d/bc/1e58593167fade7b544bfe9502a26dc860940a79ab306e651e7f13be68c2/pyparsing-2.4.6-py2.py3-none-any.whl
Installing collected packages: toml, six, py, pluggy, pyparsing, packaging, filelock, virtualenv, tox
Successfully installed filelock-3.0.12 packaging-20.0 pluggy-0.13.1 py-1.8.1 pyparsing-2.4.6 six-1.14.0 toml-0.10.0 tox-3.14.3 virtualenv-16.7.9
.tox finish: getenv ~/src/github/ansible/ansible-lint/venv-dev after 4.08 seconds
.tox start: finishvenv 
write config to ~/src/github/ansible/ansible-lint/venv-dev/.tox-config1 as '6f42afc2c8db4f29758c1164eb69c1d41f9c5d690415735053759c3ad8ea5613 ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3\n3.14.3 0 1 0\n00000000000000000000000000000000 setuptools >= 41.4.0\n00000000000000000000000000000000 pip >= 19.3.0\n00000000000000000000000000000000 tox >= 3.5.3'
.tox finish: finishvenv  after 0.05 seconds
.tox start: provision 
[3305310] ~/src/github/ansible/ansible-lint$ ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m tox -vvvv --devenv venv-dev -e .dev-env
using tox.ini: ~/src/github/ansible/ansible-lint/tox.ini (pid 3305310)
using tox-3.14.3 from ~/src/github/ansible/ansible-lint/venv-dev/lib/python3.8/site-packages/tox/__init__.py (pid 3305310)
skipping sdist step
.dev-env start: getenv ~/src/github/ansible/ansible-lint/venv-dev
~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3 (~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3) is {'executable': '~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3', 'name': 'python', 'version_info': [3, 8, 0, 'final', 0], 'version': '3.8.0 (default, Oct 16 2019, 16:00:06) \n[GCC 7.3.0]', 'is_64': True, 'sysplatform': 'linux'}
.dev-env uses ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3
.dev-env cannot reuse: {('00000000000000000000000000000000', 'pip >= 19.3.0'), ('00000000000000000000000000000000', 'tox >= 3.5.3'), ('00000000000000000000000000000000', 'setuptools >= 41.4.0')}!=set()
.dev-env recreate: ~/src/github/ansible/ansible-lint/venv-dev
  removing ~/src/github/ansible/ansible-lint/venv-dev
setting PATH=~/src/github/ansible/ansible-lint/venv-dev/bin:~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin:~/.pyenv/libexec:~/.pyenv/plugins/python-build/bin:~/.pyenv/plugins/pyenv-virtualenv/bin:~/.pyenv/plugins/pyenv-update/bin:~/.pyenv/plugins/pyenv-installer/bin:~/.pyenv/plugins/pyenv-doctor/bin:~/.nvm/versions/node/v12.2.0/bin:~/.pyenv/shims:/usr/x86_64-pc-linux-gnu/gcc-bin/8.3.0:/usr/lib/llvm/9/bin:/usr/local/bin:/usr/bin:/bin:/opt/bin:~/.pyenv/bin
ERROR: invocation failed (exit code 2)
ERROR: InvocationError for command ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m virtualenv --no-download --python ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3 venv-dev (exited with code 2)
.dev-env finish: getenv ~/src/github/ansible/ansible-lint/venv-dev after 0.11 seconds
___________________________________________________________ summary ___________________________________________________________
ERROR:   .dev-env: InvocationError for command ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m virtualenv --no-download --python ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3 venv-dev (exited with code 2)
.tox finish: provision  after 0.34 seconds

The interesting part is

...
.dev-env cannot reuse: {('00000000000000000000000000000000', 'pip >= 19.3.0'), ('00000000000000000000000000000000', 'tox >= 3.5.3'), ('00000000000000000000000000000000', 'setuptools >= 41.4.0')}!=set()
...
  removing ~/src/github/ansible/ansible-lint/venv-dev
...
ERROR: invocation failed (exit code 2)
ERROR: InvocationError for command ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m virtualenv --no-download --python ~/.pyenv/versions/ansible-lint-py3.8.0-pyenv-venv/bin/python3 venv-dev (exited with code 2)
.dev-env finish: getenv ~/src/github/ansible/ansible-lint/venv-dev after 0.11 seconds

so it removes ~/src/github/ansible/ansible-lint/venv-dev and than tried to execute interpreter from that removed folder: InvocationError for command ~/src/github/ansible/ansible-lint/venv-dev/bin/python ....

P.S. The .dev-env cannot reuse: message is different depending on how I change tox.ini but that's probably a separate issue. For example, sometimes it claims that interpreter hashes differ (base_resolved_python_sha256).

[webknjaz]

I'm curious if it's somehow related to https://github.com/tox-dev/tox/issues/1484

[gaborbernat]

@asottile as the creator of this feature any idea why this happens?

[asottile]

as far as I understand this is the same as the (open) problem with running tox recreate while having a tox env activated:

tox -e py37 --notest
. .tox/py37/bin/activate
tox -e py37 --notest -r

$ tox -e py37 --notest
GLOB sdist-make: /home/asottile/workspace/pre-commit/setup.py
py37 create: /home/asottile/workspace/pre-commit/.tox/py37
py37 installdeps: -rrequirements-dev.txt
py37 inst: /home/asottile/workspace/pre-commit/.tox/.tmp/package/1/pre_commit-1.21.0.zip
py37 installed: aspy.yaml==1.3.0,attrs==19.3.0,cfgv==2.0.1,coverage==5.0.3,identify==1.4.10,importlib-metadata==1.4.0,more-itertools==8.1.0,nodeenv==1.3.4,packaging==20.0,pluggy==0.13.1,pre-commit==1.21.0,py==1.8.1,pyparsing==2.4.6,pytest==5.3.3,pytest-env==0.6.2,PyYAML==5.3,six==1.14.0,toml==0.10.0,virtualenv==16.7.9,wcwidth==0.1.8,zipp==1.0.0
___________________________________ summary ____________________________________
  py37: skipped tests
  congratulations :)
$ . .tox/py37/bin/activate
$ tox -e py37 --notest -r
GLOB sdist-make: /home/asottile/workspace/pre-commit/setup.py
py37 recreate: /home/asottile/workspace/pre-commit/.tox/py37
ERROR: invocation failed (exit code 3), logfile: /home/asottile/workspace/pre-commit/.tox/py37/log/py37-0.log
================================== log start ===================================
The path /home/asottile/workspace/pre-commit/.tox/py37/bin/python3.7 (from --python=/home/asottile/workspace/pre-commit/.tox/py37/bin/python3.7) does not exist

=================================== log end ====================================
ERROR: InvocationError for command /home/asottile/opt/venv/bin/python3 -m virtualenv --no-download --python /home/asottile/workspace/pre-commit/.tox/py37/bin/python3.7 py37 (exited with code 3)
___________________________________ summary ____________________________________
ERROR:   py37: InvocationError for command /home/asottile/opt/venv/bin/python3 -m virtualenv --no-download --python /home/asottile/workspace/pre-commit/.tox/py37/bin/python3.7 py37 (exited with code 3)

[webknjaz]

Interesting... I use pyenv (w/ pyenv-virtualenv and env autoactivation) on my laptop. So technically I have some typical venv "activated". Dunno if that's related but still worth mentioning.

[asottile]

yeah tox probably needs to re-find the executable in the case of recreation (or do that more lazily / in a different order) -- I wonder if the rewrite covers this case

[gaborbernat]

I think (90% sure) the virtualenv rewrite will fix this if the issue is what @asottile says it is.

[gaborbernat]

virtualenv 20 is now released so this should be fixed.

[webknjaz]

I'll check and report back here.

[webknjaz]

No, it's still broken. Will post the logs shortly.

[webknjaz]

$ python3 -m tox -vvvv --devenv venv-dev -e .dev-env
using tox.ini: ~/src/github/ansible/ansible-lint/tox.ini (pid 4966)
  removing ~/src/github/ansible/ansible-lint/.tox/log
could not satisfy requires MissingDependency(<Requirement('setuptools>=41.4.0')>)
could not satisfy requires MissingDependency(<Requirement('pip>=19.3.0')>)
~/.pyenv/versions/3.8.2/bin/python3 (~/.pyenv/versions/3.8.2/bin/python3) is {'executable': '~/.pyenv/versions/3.8.2/bin/python3', 'name': 'python', 'version_info': [3, 8, 2, 'final', 0], 'version': '3.8.2 (default, Apr 16 2020, 16:41:34) \n[Clang 7.3.0 (clang-703.0.31)]', 'is_64': True, 'sysplatform': 'darwin'}
.tox uses ~/.pyenv/versions/3.8.2/bin/python3
using tox-3.14.6 from ~/.pyenv/versions/3.8.2/lib/python3.8/site-packages/tox/__init__.py (pid 4966)
.tox start: getenv ~/src/github/ansible/ansible-lint/venv-dev
.tox cannot reuse: no previous config ~/src/github/ansible/ansible-lint/venv-dev/.tox-config1
.tox create: ~/src/github/ansible/ansible-lint/venv-dev
  removing ~/src/github/ansible/ansible-lint/venv-dev
setting PATH=~/src/github/ansible/ansible-lint/venv-dev/bin:~/.pyenv/versions/3.8.2/bin:/usr/local/Cellar/pyenv/1.2.8_1/libexec:~/.pyenv/plugins/python-build/bin:~/.pyenv/plugins/pyenv-virtualenv/bin:~/.pyenv/plugins/pyenv-update/bin:~/.pyenv/plugins/pyenv-installer/bin:~/.pyenv/plugins/pyenv-doctor/bin:~/.nvm/versions/node/v9.8.0/bin:~/.pyenv/plugins/pyenv-virtualenv/shims:~/.pyenv/shims:/Library/Frameworks/Python.framework/Versions/3.5/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/MacGPG2/bin:/usr/local/share/dotnet:/Applications/kitty.app/Contents/MacOS
[4987] ~/src/github/ansible/ansible-lint$ ~/.pyenv/versions/3.8.2/bin/python3 -m virtualenv --no-download --python ~/.pyenv/versions/3.8.2/bin/python3 venv-dev
created virtual environment CPython3.8.2.final.0-64 in 514ms
  creator CPython3Posix(dest=~/src/github/ansible/ansible-lint/venv-dev, clear=False, global=False)
  seeder FromAppData(download=False, pip=latest, setuptools=latest, wheel=latest, via=copy, app_data_dir=~/Library/Application Support/virtualenv/seed-app-data/v1.0.1)
  activators BashActivator,CShellActivator,FishActivator,PowerShellActivator,PythonActivator,XonshActivator
.tox installdeps: setuptools >= 41.4.0, pip >= 19.3.0, tox >= 3.5.3
setting PATH=~/src/github/ansible/ansible-lint/venv-dev/bin:~/.pyenv/versions/3.8.2/bin:/usr/local/Cellar/pyenv/1.2.8_1/libexec:~/.pyenv/plugins/python-build/bin:~/.pyenv/plugins/pyenv-virtualenv/bin:~/.pyenv/plugins/pyenv-update/bin:~/.pyenv/plugins/pyenv-installer/bin:~/.pyenv/plugins/pyenv-doctor/bin:~/.nvm/versions/node/v9.8.0/bin:~/.pyenv/plugins/pyenv-virtualenv/shims:~/.pyenv/shims:/Library/Frameworks/Python.framework/Versions/3.5/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/MacGPG2/bin:/usr/local/share/dotnet:/Applications/kitty.app/Contents/MacOS
[4988] ~/src/github/ansible/ansible-lint$ ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m pip install 'setuptools >= 41.4.0' 'pip >= 19.3.0' 'tox >= 3.5.3'
Requirement already satisfied: setuptools>=41.4.0 in ./venv-dev/lib/python3.8/site-packages (46.1.3)
Requirement already satisfied: pip>=19.3.0 in ./venv-dev/lib/python3.8/site-packages (20.0.2)
Collecting tox>=3.5.3
  Using cached tox-3.14.6-py2.py3-none-any.whl (81 kB)
Collecting six<2,>=1.14.0
  Using cached six-1.14.0-py2.py3-none-any.whl (10 kB)
Collecting filelock<4,>=3.0.0
  Using cached filelock-3.0.12-py3-none-any.whl (7.6 kB)
Collecting py<2,>=1.4.17
  Using cached py-1.8.1-py2.py3-none-any.whl (83 kB)
Collecting packaging>=14
  Using cached packaging-20.3-py2.py3-none-any.whl (37 kB)
Collecting pluggy<1,>=0.12.0
  Using cached pluggy-0.13.1-py2.py3-none-any.whl (18 kB)
Collecting virtualenv!=20.0.0,!=20.0.1,!=20.0.2,!=20.0.3,!=20.0.4,!=20.0.5,!=20.0.6,!=20.0.7,>=16.0.0
  Using cached virtualenv-20.0.18-py2.py3-none-any.whl (4.6 MB)
Collecting toml>=0.9.4
  Using cached toml-0.10.0-py2.py3-none-any.whl (25 kB)
Collecting pyparsing>=2.0.2
  Using cached pyparsing-2.4.7-py2.py3-none-any.whl (67 kB)
Collecting appdirs<2,>=1.4.3
  Using cached appdirs-1.4.3-py2.py3-none-any.whl (12 kB)
Processing ~/Library/Caches/pip/wheels/eb/4e/d2/a903d4184fb49e4ac06474d65715b129aee13d69f7d227e78e/distlib-0.3.0-py3-none-any.whl
Installing collected packages: six, filelock, py, pyparsing, packaging, pluggy, appdirs, distlib, virtualenv, toml, tox
Successfully installed appdirs-1.4.3 distlib-0.3.0 filelock-3.0.12 packaging-20.3 pluggy-0.13.1 py-1.8.1 pyparsing-2.4.7 six-1.14.0 toml-0.10.0 tox-3.14.6 virtualenv-20.0.18
.tox finish: getenv ~/src/github/ansible/ansible-lint/venv-dev after 5.13 seconds
.tox start: finishvenv 
write config to ~/src/github/ansible/ansible-lint/venv-dev/.tox-config1 as 'd77efa7113a73c55f12bc892eea3236cf7e894434a17d76168548532e60ca119 ~/.pyenv/versions/3.8.2/bin/python3\n3.14.6 0 1 0\n00000000000000000000000000000000 setuptools >= 41.4.0\n00000000000000000000000000000000 pip >= 19.3.0\n00000000000000000000000000000000 tox >= 3.5.3'
.tox finish: finishvenv  after 0.02 seconds
.tox start: provision 
[4997] ~/src/github/ansible/ansible-lint$ ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m tox -vvvv --devenv venv-dev -e .dev-env
using tox.ini: ~/src/github/ansible/ansible-lint/tox.ini (pid 4997)
~/src/github/ansible/ansible-lint/venv-dev/bin/python (~/src/github/ansible/ansible-lint/venv-dev/bin/python) is {'executable': '~/src/github/ansible/ansible-lint/venv-dev/bin/python', 'name': 'python', 'version_info': [3, 8, 2, 'final', 0], 'version': '3.8.2 (default, Apr 16 2020, 16:41:34) \n[Clang 7.3.0 (clang-703.0.31)]', 'is_64': True, 'sysplatform': 'darwin'}
.package uses ~/src/github/ansible/ansible-lint/venv-dev/bin/python
py38-ansible29 uses ~/src/github/ansible/ansible-lint/venv-dev/bin/python
py38-ansibledevel uses ~/src/github/ansible/ansible-lint/venv-dev/bin/python
py38-ansible28 uses ~/src/github/ansible/ansible-lint/venv-dev/bin/python
.dev-env uses ~/src/github/ansible/ansible-lint/venv-dev/bin/python
python (~/.pyenv/versions/3.8.2/bin/python) is {'executable': '~/.pyenv/versions/3.8.2/bin/python', 'name': 'python', 'version_info': [3, 8, 2, 'final', 0], 'version': '3.8.2 (default, Apr 16 2020, 16:41:34) \n[Clang 7.3.0 (clang-703.0.31)]', 'is_64': True, 'sysplatform': 'darwin'}
py36-ansible29 uses None
py36-ansibledevel uses None
py36-ansible28 uses None
python3.5 (/Library/Frameworks/Python.framework/Versions/3.5/bin/python3.5) is {'is_64': True, 'version_info': [3, 5, 4, 'final', 0], 'version': '3.5.4 (v3.5.4:3f56838976, Aug  7 2017, 12:56:33) \n[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]', 'executable': '/Library/Frameworks/Python.framework/Versions/3.5/bin/python3.5', 'name': 'python', 'sysplatform': 'darwin'}
py35-ansible29 uses /Library/Frameworks/Python.framework/Versions/3.5/bin/python3.5
py35-ansible28 uses /Library/Frameworks/Python.framework/Versions/3.5/bin/python3.5
py35-ansibledevel uses /Library/Frameworks/Python.framework/Versions/3.5/bin/python3.5
python3.7 (~/.pyenv/shims/python3.7) is {'executable': '/usr/local/bin/python3.7', 'name': 'python', 'version_info': [3, 7, 0, 'final', 0], 'version': '3.7.0 (v3.7.0:1bf9cc5093, Jun 26 2018, 20:42:06) \n[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]', 'is_64': True, 'sysplatform': 'darwin'}
py37-ansibledevel uses /usr/local/bin/python3.7
py37-ansible28 uses /usr/local/bin/python3.7
py37-ansible29 uses /usr/local/bin/python3.7
using tox-3.14.6 from ~/src/github/ansible/ansible-lint/venv-dev/lib/python3.8/site-packages/tox/__init__.py (pid 4997)
skipping sdist step
.dev-env start: getenv ~/src/github/ansible/ansible-lint/venv-dev
.dev-env cannot reuse: attr base_resolved_python_path '~/.pyenv/versions/3.8.2/bin/python3'!='~/src/github/ansible/ansible-lint/venv-dev/bin/python'
.dev-env recreate: ~/src/github/ansible/ansible-lint/venv-dev
  removing ~/src/github/ansible/ansible-lint/venv-dev
setting PATH=~/src/github/ansible/ansible-lint/venv-dev/bin:~/.pyenv/versions/3.8.2/bin:/usr/local/Cellar/pyenv/1.2.8_1/libexec:~/.pyenv/plugins/python-build/bin:~/.pyenv/plugins/pyenv-virtualenv/bin:~/.pyenv/plugins/pyenv-update/bin:~/.pyenv/plugins/pyenv-installer/bin:~/.pyenv/plugins/pyenv-doctor/bin:~/.nvm/versions/node/v9.8.0/bin:~/.pyenv/plugins/pyenv-virtualenv/shims:~/.pyenv/shims:/Library/Frameworks/Python.framework/Versions/3.5/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/MacGPG2/bin:/usr/local/share/dotnet:/Applications/kitty.app/Contents/MacOS
ERROR: invocation failed (exit code 2)
ERROR: InvocationError for command ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m virtualenv --no-download --python ~/src/github/ansible/ansible-lint/venv-dev/bin/python venv-dev (exited with code 2)
.dev-env finish: getenv ~/src/github/ansible/ansible-lint/venv-dev after 0.18 seconds
_____________________________________________________ summary ______________________________________________________
ERROR:   .dev-env: InvocationError for command ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m virtualenv --no-download --python ~/src/github/ansible/ansible-lint/venv-dev/bin/python venv-dev (exited with code 2)
.tox finish: provision  after 1.13 seconds

ansible-lint on  master [!] via 🐍 3.8.2 took 7s 
$ python3 -m tox --version                          
3.14.6 imported from ~/.pyenv/versions/3.8.2/lib/python3.8/site-packages/tox/__init__.py

ansible-lint on  master [!] via 🐍 3.8.2 
$ python3 -m virtualenv --version
virtualenv 20.0.18 from ~/.pyenv/versions/3.8.2/lib/python3.8/site-packages/virtualenv/__init__.py

Looks like it's the same: creating a venv, then deciding to recreate it using the interpreter inside itself that effectively wipes it off and breaks:

ERROR: .dev-env: InvocationError for command ~/src/github/ansible/ansible-lint/venv-dev/bin/python -m virtualenv --no-download --python ~/src/github/ansible/ansible-lint/venv-dev/bin/python venv-dev (exited with code 2)