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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"__class__ assignment error message confusing","articleBody":"BPO | [4600](https://bugs.python.org/issue4600)\n--- | :---\nNosy | @terryjreedy, @benjaminp, @aroberge, @merwok, @Trundle, @jonashaag, @florentx, @iritkatriel\nFiles | \u003cli\u003e[4600.diff](https://bugs.python.org/file20937/4600.diff \"Uploaded as text/plain at 2011-02-27.18:00:31 by @jonashaag\")\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 2021-07-05.17:46:03.217\u003e\ncreated_at = \u003cDate 2008-12-08.21:25:21.926\u003e\nlabels = ['interpreter-core', 'type-bug', '3.11']\ntitle = '__class__ assignment error message confusing'\nupdated_at = \u003cDate 2021-07-05.19:15:08.837\u003e\nuser = 'https://github.com/terryjreedy'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2021-07-05.19:15:08.837\u003e\nactor = 'terry.reedy'\nassignee = 'none'\nclosed = True\nclosed_date = \u003cDate 2021-07-05.17:46:03.217\u003e\ncloser = 'terry.reedy'\ncomponents = ['Interpreter Core']\ncreation = \u003cDate 2008-12-08.21:25:21.926\u003e\ncreator = 'terry.reedy'\ndependencies = []\nfiles = ['20937']\nhgrepos = []\nissue_num = 4600\nkeywords = ['patch']\nmessage_count = 6.0\nmessages = ['77343', '77381', '129643', '129646', '396989', '397017']\nnosy_count = 9.0\nnosy_names = ['terry.reedy', 'benjamin.peterson', 'aroberge', 'stutzbach', 'eric.araujo', 'Trundle', 'jonash', 'flox', 'iritkatriel']\npr_nums = []\npriority = 'normal'\nresolution = 'out of date'\nstage = 'resolved'\nstatus = 'closed'\nsuperseder = None\ntype = 'behavior'\nurl = 'https://bugs.python.org/issue4600'\nversions = ['Python 3.11']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/terryjreedy","@type":"Person","name":"terryjreedy"},"datePublished":"2008-12-08T21:25:22.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/48850/cpython/issues/48850"}