potiuk opened a new pull request, #38227:
URL: https://github.com/apache/airflow/pull/38227
The `breeze-python-version` has been used in a number of places where we
wanted to make sure of reproducibility of prepared artifacts (because Python
3.8 produces different tar files).
However that caused some problems with caching of breeze environments -
where some of them were using Python 3.8 and some were using Python 3.9.
This PR fixes it by:
* making Python 3.9 default for all breeze installations in CI
* removing the breeze-python-version parameter and all its usages from all
workflows
The tests of breeze (ib basic-tests.yml) are still run with the
default-python-version not with Python 3.9 (which currently is Python 3.8) - so
the risk that breeze will not work on Python 3.8 is low.
This will also synchronize itself in October, when Python 3.8 will reach
end-of-life and we will move to Python 3.9 as the default version.
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