feat(python): support python 3.9 again #10949
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cpcloud
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Mar 6, 2025
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Eh, I'm not going to block. I don't really understand an org-wide deployment on a version of Python with <7 months left before EOL, but hey, different strokes. |
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Thanks @cpcloud. For transparency: Extended Python 3.9 support is critically important to enable one of Voltron Data's customers to use Ibis during the next several months while they work to complete a difficult company-wide upgrade to a newer version of Python. Voltron Data is sponsoring this work. I appreciate the understanding of these kinds of realities that emerge as Ibis moves into mainstream use within large organizations with huge Python codebases. |
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Description of changes
This PR brings back support for Python 3.9, which I know is maybe a bit controversial.
In retrospect, I'm not sure that Ibis should necessarily follow NEP 29 given that it's not particularly
sensitive to things that NumPy and SciPy are, like ABI changes across Python versions.
Of course, given what this PR does, the previous statement may seem a bit self-serving, but I do think that it will be less effort to support the official Python lifecycle than it is for NumPy.
I know there's also an ask for this in #10064, which hopefully this PR will resolve. Ibis has an external customer that is also requesting support for Ibis 3.9 to deploy it across an organization.
Issues closed
Resolves #10064.