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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"subprocess: check_output() doesn't close pipes on error","articleBody":"BPO | [12494](https://bugs.python.org/issue12494)\n--- | :---\nNosy | @vstinner, @vadmium\nFiles | \u003cli\u003e[subprocess_check_output.patch](https://bugs.python.org/file22572/subprocess_check_output.patch \"Uploaded as text/plain at 2011-07-04.22:13:44 by @vstinner\")\u003c/li\u003e\u003cli\u003e[subprocess_check_output-2.patch](https://bugs.python.org/file22580/subprocess_check_output-2.patch \"Uploaded as text/plain at 2011-07-05.11:02:44 by @vstinner\")\u003c/li\u003e\n\n\u003csup\u003e*Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.*\u003c/sup\u003e\n\n\u003cdetails\u003e\u003csummary\u003eShow more details\u003c/summary\u003e\u003cp\u003e\n\nGitHub fields:\n```python\nassignee = None\nclosed_at = \u003cDate 2011-09-01.21:57:18.718\u003e\ncreated_at = \u003cDate 2011-07-04.22:13:45.149\u003e\nlabels = ['library']\ntitle = \"subprocess: check_output() doesn't close pipes on error\"\nupdated_at = \u003cDate 2016-04-04.20:51:44.618\u003e\nuser = 'https://github.com/vstinner'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2016-04-04.20:51:44.618\u003e\nactor = 'martin.panter'\nassignee = 'none'\nclosed = True\nclosed_date = \u003cDate 2011-09-01.21:57:18.718\u003e\ncloser = 'vstinner'\ncomponents = ['Library (Lib)']\ncreation = \u003cDate 2011-07-04.22:13:45.149\u003e\ncreator = 'vstinner'\ndependencies = []\nfiles = ['22572', '22580']\nhgrepos = []\nissue_num = 12494\nkeywords = ['patch']\nmessage_count = 9.0\nmessages = ['139812', '139848', '139903', '143297', '143312', '143313', '143359', '143360', '262868']\nnosy_count = 4.0\nnosy_names = ['vstinner', 'rosslagerwall', 'python-dev', 'martin.panter']\npr_nums = []\npriority = 'normal'\nresolution = 'fixed'\nstage = None\nstatus = 'closed'\nsuperseder = None\ntype = None\nurl = 'https://bugs.python.org/issue12494'\nversions = ['Python 3.3']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2011-07-04T22:13:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":9},"url":"https://github.com/56703/cpython/issues/56703"}