[SCSB-145] require Python 3.10

[zacharyburnett]

resolves SCSB-145

propagate Astropy's deprecation of Python 3.9 to downstream packages

Note

this PR was generated automatically by batchpr 🤖

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.19%. Comparing base (2fb073e) to head (a589c06).
Report is 9 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8365      +/-   ##
==========================================
- Coverage   75.31%   75.19%   -0.12%     
==========================================
  Files         474      474              
  Lines       38965    39003      +38     
==========================================
- Hits        29345    29330      -15     
- Misses       9620     9673      +53     

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nightly	77.31% <ø> (-0.03%)	⬇️	Carriedforward from 2fb073e

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[hbushouse]

The "py39" CI tests apparently need to be removed, because it's no longer valid to test with 3.9?

[tapastro]

This should probably also update the README/Docs to change the listed minimum version allowed - the alternative is to change that once the next build is done, but that risks it being forgotten about. Best practices?

[zacharyburnett]

Sorry for the oversights! I'm using this ticket to test making automated PRs with batchpr, so hopefully the next Python version bump will be easier

[emolter]

There are also a bunch of references to Python 3.9 in the install.rst file that should be removed

[emolter]

Line 16 should be removed; Python 3.9 should no longer be one of the classifiers

[hbushouse]

Do we actually support py3.12 now (or will support it in the B10.2 release)? i.e. does everything actually work correctly now under 3.12?

[braingram]

I'm not sure if anyone has run the regtests with python 3.12. @zacharyburnett would changing the following be enough to convince jenkins to use python 3.12?

jwst/JenkinsfileRT

Line 46 in e1b0772

python_version = "3.11"

The unit tests have been running with python 3.12:
https://github.com/spacetelescope/jwst/actions/runs/8345372313/job/22840164182

We have one open PR that is python 3.12 related (which addresses a DeprecationWarning introduced in that version):
#8343

[zacharyburnett]

yes, that should be enough; I can make a separate PR with that I added Python 3.12 as a separate job in JenkinsfileRT in 52a2a00 and am running it at https://plwishmaster.stsci.edu:8081/blue/organizations/jenkins/RT%2FJWST-Developers-Pull-Requests/detail/JWST-Developers-Pull-Requests/1329/pipeline/

[zacharyburnett]

There are also a bunch of references to Python 3.9 in the install.rst file that should be removed

fixed in a2fdc77