setup-python@v5 can't fetch CPython 3.12 on the self-hosted Gitea runner
(it queries the Gitea API for actions/python-versions, which 404s), so the
job silently fell back to the image's system Python 3.10 + pip 22.0.2. That
old pip lacks PEP 660 editable support, so 'pip install -e' failed with
'build backend is missing the build_editable hook', and 3.10 is below the
project's requires-python>=3.11 (code uses datetime.UTC).
Run the job inside nikolaik/python-nodejs:python3.12-nodejs20 which bundles
Python 3.12, Node 20 (for actions/checkout) and modern pip, removing the
GitHub download dependency entirely.
Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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