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test.test_annotationlib.TestStringFormat.test_displays shouldn't rely on set's order of elements #133682
Description
Bug report
Bug description:
We've hit a failure during Python's 3.14.0b1 build - test apparently checks for an exact order of elements in a set which will sometimes fail:
FAIL: test_displays (test.test_annotationlib.TestStringFormat.test_displays)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/builddir/build/BUILD/python3.14-3.14.0_b1-build/Python-3.14.0b1/Lib/test/test_annotationlib.py", line 349, in test_displays
self.assertEqual(
~~~~~~~~~~~~~~~~^
anno,
^^^^^
...<5 lines>...
},
^^
)
^
AssertionError: {'w':[29 chars] 'a[{str, int}, 3]', 'y': 'a[{int: str}, 4]', [19 chars] 5]'} != {'w':[29 chars] 'a[{int, str}, 3]', 'y': 'a[{int: str}, 4]', [19 chars] 5]'}
{'w': 'a[[int, str], float]',
- 'x': 'a[{str, int}, 3]',
? -----
+ 'x': 'a[{int, str}, 3]',
? +++++
'y': 'a[{int: str}, 4]',
'z': 'a[(int, str), 5]'}CPython versions tested on:
3.14
Operating systems tested on:
Linux
Activity
JelleZijlstra commentedon May 8, 2025
Surprised I never ran into this running the test locally. Should be fixable by making the test use a one-element set; I'll do this soon unless somebody else gets to it first.
Update annotationlib.py
Create 2025-05-08-23-47-00.pythongh-133682.rst
gh-133682: Fix inconsistent set ordering in annotationlib test (#133702)
pythongh-133682: Fix inconsistent set ordering in annotationlib test (p…
[3.14] gh-133682: Fix inconsistent set ordering in annotationlib test (…
pythongh-133682: Fix inconsistent set ordering in annotationlib test (p…
pythongh-133682: Fix inconsistent set ordering in annotationlib test (p…