py38-astropy@5.3 fails to import

[odysseus9672 (Sean Lake)]

I have py38-astropy@5.3 installed and when I try to import the cosmology sub-package, it fails. Here's the code and output:

Seans-Work-Macbook-Pro:~ sean$ python3.8
Python 3.8.17 (default, Jun 10 2023, 11:16:23) 
[Clang 14.0.3 (clang-1403.0.22.14.1)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import astropy.cosmology as cosm
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/astropy/cosmology/__init__.py", line 11, in <module>
    from . import core, flrw, funcs, parameter, units, utils
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/astropy/cosmology/funcs/__init__.py", line 5, in <module>
    from .comparison import cosmology_equal
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/astropy/cosmology/funcs/comparison.py", line 29, in <module>
    _FormatsT = Union[_FormatType, tuple[_FormatType, ...]]
TypeError: 'type' object is not subscriptable
>>> 

Judging by ​this commit to the affected file, astropy 5.3 drops support for python 3.8. Using pip to force install ​astropy version 5.2.2 in my user directory solves the problem. So py38-astropy should probably be pinned to version 5.2.2, unless this is an unintentional bug in astropy.

[Schamschula (Marius Schamschula)]

I didn't catch that in the update notes. It was hidden in the full notes.

Will fix!

[Marius Schamschula <mschamschula@…>]

In 26929a9a99c3405ad3517a4ca49c461f8e3b7942/macports-ports (master):

py-astropy: pin py38 subport to 5.2.2, fix patchfiles

Closes: #67684