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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"pickle does not serialize Exception __cause__ field","articleBody":"BPO | [29466](https://bugs.python.org/issue29466)\n--- | :---\nNosy | @brettcannon, @ncoghlan, @diekhans, @avassalotti, @ericsnowcurrently, @serhiy-storchaka, @tjb900, @kakshay21, @iritkatriel\nFiles | \u003cli\u003e[cause_pickle.py](https://bugs.python.org/file46550/cause_pickle.py \"Uploaded as text/plain at 2017-02-06.18:36:36 by @diekhans\"): bug demog program\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 = None\ncreated_at = \u003cDate 2017-02-06.18:36:36.651\u003e\nlabels = ['type-bug', 'library', '3.11']\ntitle = 'pickle does not serialize Exception __cause__ field'\nupdated_at = \u003cDate 2022-01-06.16:21:58.240\u003e\nuser = 'https://github.com/diekhans'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2022-01-06.16:21:58.240\u003e\nactor = 'iritkatriel'\nassignee = 'none'\nclosed = False\nclosed_date = None\ncloser = None\ncomponents = ['Library (Lib)']\ncreation = \u003cDate 2017-02-06.18:36:36.651\u003e\ncreator = 'diekhans'\ndependencies = []\nfiles = ['46550']\nhgrepos = []\nissue_num = 29466\nkeywords = []\nmessage_count = 6.0\nmessages = ['287163', '287304', '335686', '396603', '396604', '409871']\nnosy_count = 9.0\nnosy_names = ['brett.cannon', 'ncoghlan', 'diekhans', 'alexandre.vassalotti', 'eric.snow', 'serhiy.storchaka', 'tjb900', 'kakshay', 'iritkatriel']\npr_nums = []\npriority = 'normal'\nresolution = None\nstage = None\nstatus = 'open'\nsuperseder = None\ntype = 'behavior'\nurl = 'https://bugs.python.org/issue29466'\nversions = ['Python 3.11']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/diekhans","@type":"Person","name":"diekhans"},"datePublished":"2017-02-06T18:36:37.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/73652/cpython/issues/73652"}