René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test_profiling.test_sampling_profiler: test_generator_not_under_consumer_arithmetic() failed on the Windows CI","articleBody":"\"Windows / Build and test (x64, tail-call)\" GHA CI: https://github.com/python/cpython/actions/runs/26413033443/job/77751481935?pr=150417\n\n```\nFAIL: test_generator_not_under_consumer_arithmetic (test.test_profiling.test_sampling_profiler.test_blocking.TestBlockingModeStackAccuracy.test_generator_not_under_consumer_arithmetic)\nTest that fibonacci_generator doesn't appear when consume_generator does arithmetic.\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  File \"D:\\a\\cpython\\cpython\\Lib\\test\\test_profiling\\test_sampling_profiler\\test_blocking.py\", line 137, in test_generator_not_under_consumer_arithmetic\n    self.assertEqual(invalid_stacks, 0,\n    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^\n        f\"Found {invalid_stacks}/{arithmetic_samples} invalid stacks where \"\n        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n        f\"fibonacci_generator appears in the stack when consume_generator \"\n        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n        f\"is on an arithmetic line. This indicates torn/inconsistent stack \"\n        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n        f\"traces are being captured.\")\n        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nAssertionError: 303 != 0 : Found 303/6238 invalid stacks where fibonacci_generator appears in the stack when consume_generator is on an arithmetic line. This indicates torn/inconsistent stack traces are being captured.\n```\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-150433\n* gh-150734\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2026-05-25T19:38:07.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/150429/cpython/issues/150429"}