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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test_array modifies `warnings.filter`","articleBody":"```\r\n$ ./python -m test test_array --fail-env-changed -m test.test_array.ArrayReconstructorTest.test_error\r\n0:00:00 load avg: 17.75 Run tests sequentially\r\n0:00:00 load avg: 17.75 [1/1] test_array\r\nWarning -- warnings.filters was modified by test_array\r\nWarning --   Before: (140159909806320, [], [])\r\nWarning --   After:  (140159909806320, [], [('ignore', re.compile(\"The 'u' type code is deprecated and will be removed in Python 3.16\", re.IGNORECASE), \u003cclass 'DeprecationWarning'\u003e, None, 0)]) \r\ntest_array failed (env changed)\r\n\r\n== Tests result: ENV CHANGED ==\r\n\r\n1 test altered the execution environment:\r\n    test_array\r\n\r\nTotal duration: 321 ms\r\nTests result: ENV CHANGED\r\n```\r\n\r\ncc @methane @hugovk \n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-106181\n* gh-106404\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2023-06-27T23:33:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/106162/cpython/issues/106162"}