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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Unusual TypeError with dataclass decorator","articleBody":"BPO | [32546](https://bugs.python.org/issue32546)\n--- | :---\nNosy | @rhettinger, @ericvsmith\nFiles | \u003cli\u003e[data_class_type_error.py](https://bugs.python.org/file47384/data_class_type_error.py \"Uploaded as text/plain at 2018-01-13.21:26:22 by @rhettinger\"): Actual example where the problem arose\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 2018-01-28.01:01:36.676\u003e\ncreated_at = \u003cDate 2018-01-13.21:26:23.128\u003e\nlabels = ['3.7', 'type-bug', 'library']\ntitle = 'Unusual TypeError with dataclass decorator'\nupdated_at = \u003cDate 2018-01-28.01:01:36.674\u003e\nuser = 'https://github.com/rhettinger'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2018-01-28.01:01:36.674\u003e\nactor = 'eric.smith'\nassignee = 'eric.smith'\nclosed = True\nclosed_date = \u003cDate 2018-01-28.01:01:36.676\u003e\ncloser = 'eric.smith'\ncomponents = ['Library (Lib)']\ncreation = \u003cDate 2018-01-13.21:26:23.128\u003e\ncreator = 'rhettinger'\ndependencies = []\nfiles = ['47384']\nhgrepos = []\nissue_num = 32546\nkeywords = []\nmessage_count = 5.0\nmessages = ['309901', '309902', '309903', '309910', '310903']\nnosy_count = 2.0\nnosy_names = ['rhettinger', 'eric.smith']\npr_nums = []\npriority = 'normal'\nresolution = 'fixed'\nstage = 'resolved'\nstatus = 'closed'\nsuperseder = None\ntype = 'behavior'\nurl = 'https://bugs.python.org/issue32546'\nversions = ['Python 3.7']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/rhettinger","@type":"Person","name":"rhettinger"},"datePublished":"2018-01-13T21:26:23.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/76727/cpython/issues/76727"}