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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test.test_annotationlib.TestStringFormat.test_displays shouldn't rely on set's order of elements","articleBody":"# Bug report\n\n### Bug description:\n\nWe'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:\n\n```pytb\nFAIL: test_displays (test.test_annotationlib.TestStringFormat.test_displays)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  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\n    self.assertEqual(\n    ~~~~~~~~~~~~~~~~^\n        anno,\n        ^^^^^\n    ...\u003c5 lines\u003e...\n        },\n        ^^\n    )\n    ^\nAssertionError: {'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]'}\n  {'w': 'a[[int, str], float]',\n-  'x': 'a[{str, int}, 3]',\n?              -----\n+  'x': 'a[{int, str}, 3]',\n?           +++++\n   'y': 'a[{int: str}, 4]',\n   'z': 'a[(int, str), 5]'}\n```\n\n\n### CPython versions tested on:\n\n3.14\n\n### Operating systems tested on:\n\nLinux\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-133702\n* gh-133754\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/befeleme","@type":"Person","name":"befeleme"},"datePublished":"2025-05-08T16:42:44.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/133682/cpython/issues/133682"}