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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test_asyncio.test_subprocess fails with \"env changed\" on \"AMD64 Debian root 3.x\" buildbot: unclosed file \u003c_io.FileIO name=11 mode='wb' closefd=True\u003e","articleBody":"Time to time, test_asyncio.test_subprocess fails with \"env changed\" on \"AMD64 Debian root 3.x\" buildbot.\n\nExample: https://buildbot.python.org/#/builders/2019/builds/114\n\n```\n0:15:58 load avg: 1.70 [450/505/1] test.test_asyncio.test_subprocess failed (env changed)\ntest_cancel_make_subprocess_transport_exec (test.test_asyncio.test_subprocess.SubprocessPidfdWatcherTests.test_cancel_make_subprocess_transport_exec) ... ok\n(...)\ntest_subprocess_repr (test.test_asyncio.test_subprocess.SubprocessTransportTests.test_subprocess_repr) ... ok\n\n----------------------------------------------------------------------\nRan 81 tests in 10.074s\n\nOK\nWarning -- Unraisable exception\nException ignored while finalizing file \u003c_io.FileIO name=11 mode='wb' closefd=True\u003e:\nTraceback (most recent call last):\n  File \"/root/buildarea/3.15.angelico-debian-amd64/build/Lib/test/support/__init__.py\", line 948, in gc_collect\n    gc.collect()\n    ~~~~~~~~~~^^\nResourceWarning: unclosed file \u003c_io.FileIO name=11 mode='wb' closefd=True\u003e\n```","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2026-06-01T14:50:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/150714/cpython/issues/150714"}