Error: Version 3.9.11 with arch x64 not found

[atayardimci]

Description:
I've been using this action without an issue until a few days ago. Currently having this error while trying to setup Python 3.9.11. I have the same error with other Python versions.

Error: Version 3.9.11 with arch x64 not found
The list of all available versions can be found here: https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json

Saw this comment under another issue and it seems related #162 (comment)

Action version:
actions/setup-python@v4

Platform:

• Ubuntu
• macOS
• Windows

Runner type:

• Hosted
• Self-hosted

Tools version:

3.9.11
3.9.7

Repro steps:
A job that runs-on: ubuntu-latest. Using the action in a step as this

- name: Setup Python 
   id: setup-python
   uses: actions/setup-python@v4
   with:
     python-version: 3.9.11

Expected behavior:
Sets up Python without an issue

Actual behavior:
Receiving this error

Error: Version 3.9.11 with arch x64 not found
The list of all available versions can be found here: https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json

[atayardimci]

Pinning the runner image version to ubuntu-20.04 resolved the issue

[bweisberger]

Can we re-open this issue? It seems like it's still a bug if we now need to track ubuntu versions rather than referencing ubuntu-latest

[MaksimZhukov]

Hello @bweisberger !
The ubuntu-latest tag is being migrated to Ubuntu 22.04 (see details in the related announcement). We have not built Python 3.9.11 for Ubuntu 22.04. Python 3.9 is available for installation on Ubuntu 22.04 starting with Python 3.9.12. Could you please switch to the Python 3.9.12 (or higher) or specify Python version as 3.9 to install the latest available patch version?

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.9'