tests reference non-existent errors.PlatformError

[jaraco]

The following code references a PlatformError that doesn't exist:

distutils/distutils/tests/__init__.py

Lines 29 to 30 in 08699b6

	except errors.PlatformError:
	return "msvc"

[jaraco]

That code comes from ff32ae0, indicating it was copied from Python 3.12.

[jaraco]

Oh, the original code (https://github.com/python/cpython/blob/67f742e03aacb6217c5bb496e31f96dbf31c6f86/Lib/test/support/__init__.py#L1770) references setuptools. Aha! That error is reflected from distutils:

https://github.com/pypa/setuptools/blob/8c45d6e445a8ca5f5a1fd724a80a5c418fe36780/setuptools/errors.py#L22