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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Unhelpful error message with str.format()","articleBody":"BPO | [5247](https://bugs.python.org/issue5247)\n--- | :---\nNosy | @rhettinger, @pitrou, @ericvsmith\nFiles | \u003cli\u003e[issue5247.patch](https://bugs.python.org/file13102/issue5247.patch \"Uploaded as text/plain at 2009-02-15.21:06:31 by @ericvsmith\")\u003c/li\u003e\u003cli\u003e[issue5247-1.patch](https://bugs.python.org/file13104/issue5247-1.patch \"Uploaded as text/plain at 2009-02-16.00:13:00 by @ericvsmith\")\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 = 'https://github.com/ericvsmith'\nclosed_at = \u003cDate 2009-02-20.14:31:09.308\u003e\ncreated_at = \u003cDate 2009-02-13.14:12:54.414\u003e\nlabels = ['interpreter-core', 'type-bug']\ntitle = 'Unhelpful error message with str.format()'\nupdated_at = \u003cDate 2009-02-20.14:31:09.306\u003e\nuser = 'https://github.com/pitrou'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2009-02-20.14:31:09.306\u003e\nactor = 'eric.smith'\nassignee = 'eric.smith'\nclosed = True\nclosed_date = \u003cDate 2009-02-20.14:31:09.308\u003e\ncloser = 'eric.smith'\ncomponents = ['Interpreter Core']\ncreation = \u003cDate 2009-02-13.14:12:54.414\u003e\ncreator = 'pitrou'\ndependencies = []\nfiles = ['13102', '13104']\nhgrepos = []\nissue_num = 5247\nkeywords = ['patch']\nmessage_count = 10.0\nmessages = ['81931', '81969', '81973', '82167', '82169', '82170', '82192', '82527', '82528', '82531']\nnosy_count = 4.0\nnosy_names = ['rhettinger', 'pitrou', 'eric.smith', 'LambertDW']\npr_nums = []\npriority = 'normal'\nresolution = 'accepted'\nstage = 'resolved'\nstatus = 'closed'\nsuperseder = None\ntype = 'behavior'\nurl = 'https://bugs.python.org/issue5247'\nversions = ['Python 2.6', 'Python 3.0', 'Python 3.1', 'Python 2.7']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/pitrou","@type":"Person","name":"pitrou"},"datePublished":"2009-02-13T14:12:54.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":10},"url":"https://github.com/49497/cpython/issues/49497"}