Action failed after configuring poetry on Windows

[he0119]

Description:
After configuring poetry on Windows, action failed with Error: Unexpected token # in JSON.

Action version:
v3.1

Platform:

• Ubuntu
• macOS
• Windows

Runner type:

• Hosted
• Self-hosted

Tools version:
3.7, 3.8, 3.9, 3.10

Repro steps:
https://github.com/he0119/action-test/blob/main/.github/workflows/python.yml

Configuring poetry before setup-python

    - name: Install poetry
      run: pipx install poetry --pip-args=--pre
    - run: poetry config virtualenvs.prefer-active-python true
    - uses: actions/setup-python@v3
      with:
        python-version: ${{ matrix.python-version }}
        cache: 'poetry'

Expected behavior:
run without error.

Actual behavior:
https://github.com/he0119/action-test/runs/6602490267?check_suite_focus=true#step:5:19

Run actions/setup-python@v3
Successfully setup CPython (3.10.4)
"C:\Program Files (x8[6](https://github.com/he0119/action-test/runs/6602218881?check_suite_focus=true#step:5:7))\pipx_bin\poetry.exe" config --list
cache-dir = "C:\\Users\\runneradmin\\AppData\\Local\\pypoetry\\Cache"
experimental.new-installer = true
installer.max-workers = null
installer.parallel = true
virtualenvs.create = true
virtualenvs.in-project = null
virtualenvs.options.always-copy = false
virtualenvs.options.system-site-packages = false
virtualenvs.path = "{cache-dir}\\virtualenvs"  # C:\Users\runneradmin\AppData\Local\pypoetry\Cache\virtualenvs
virtualenvs.prefer-active-python = true
Error: Unexpected token # in JSON at position 28

[dmitry-shibanov]

Hello @he0119. Thank you for your report. We've prepared a pull request to resolve the issue.

[dmitry-shibanov]

Hello @he0119. Sorry for the late response. We merged the fix. We have not released a new version of the setup-python action yet. Could you please test your project on the main branch of setup-python and confirm that everything works as expected ?

[he0119]

Yes, everything works fine now.

[dmitry-shibanov]

Hello @he0119. The new major version was released with fix. Could you please confirm that everything works as expected ?