`test_descr` fails when run with `-OO`

[sobolevn]

Bug report

Output:

» ./python.exe -OO -m test test_descr
Using random seed: 1321086896
0:00:00 load avg: 3.34 Run 1 test sequentially
0:00:00 load avg: 3.34 [1/1] test_descr
test test_descr failed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython2/Lib/test/test_descr.py", line 1601, in test_classmethods
    self.assertEqual(cm.__dict__, cm_dict)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
AssertionError: {'__module__': 'test.test_descr', '__name__':[114 chars]: {}} != {'__annotations__': {}, '__doc__': 'f docstri[123 chars]>.f'}
  {'__annotations__': {},
-  '__doc__': None,
+  '__doc__': 'f docstring',
   '__module__': 'test.test_descr',
   '__name__': 'f',
   '__qualname__': 'ClassPropertiesAndMethods.test_classmethods.<locals>.f'}

test_descr failed (1 failure)

== Tests result: FAILURE ==

1 test failed:
    test_descr

Total duration: 353 ms
Total tests: run=156 failures=1 skipped=2
Total test files: run=1/1 failed=1
Result: FAILURE

I have a fix ready.

Linked PRs

• gh-115249: Fix test_descr with -OO mode #115250
• [3.12] gh-115249: Fix test_descr with -OO mode (GH-115250) #115277
• [3.11] gh-115249: Fix test_descr with -OO mode (GH-115250) #115278

[sobolevn]

Done!