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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"weakref documentation contains cautions about dictionary mutation problems that have been solved in the implementation","articleBody":"BPO | [40895](https://bugs.python.org/issue40895)\n--- | :---\nNosy | @pitrou, @asqui, @miss-islington\nPRs | \u003cli\u003epython/cpython#20687\u003c/li\u003e\u003cli\u003epython/cpython#20791\u003c/li\u003e\u003cli\u003epython/cpython#20792\u003c/li\u003e\u003cli\u003epython/cpython#20793\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 2020-06-10.20:39:29.369\u003e\ncreated_at = \u003cDate 2020-06-06.23:23:07.853\u003e\nlabels = ['type-bug', '3.8', '3.9', '3.10', '3.7', 'docs']\ntitle = 'weakref documentation contains cautions about dictionary mutation problems that have been solved in the implementation'\nupdated_at = \u003cDate 2020-06-10.20:39:29.365\u003e\nuser = 'https://github.com/asqui'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2020-06-10.20:39:29.365\u003e\nactor = 'pitrou'\nassignee = 'docs@python'\nclosed = True\nclosed_date = \u003cDate 2020-06-10.20:39:29.369\u003e\ncloser = 'pitrou'\ncomponents = ['Documentation']\ncreation = \u003cDate 2020-06-06.23:23:07.853\u003e\ncreator = 'dfortunov'\ndependencies = []\nfiles = []\nhgrepos = []\nissue_num = 40895\nkeywords = ['patch']\nmessage_count = 5.0\nmessages = ['370860', '371241', '371242', '371245', '371246']\nnosy_count = 4.0\nnosy_names = ['pitrou', 'docs@python', 'dfortunov', 'miss-islington']\npr_nums = ['20687', '20791', '20792', '20793']\npriority = 'normal'\nresolution = 'fixed'\nstage = 'resolved'\nstatus = 'closed'\nsuperseder = None\ntype = 'behavior'\nurl = 'https://bugs.python.org/issue40895'\nversions = ['Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/asqui","@type":"Person","name":"asqui"},"datePublished":"2020-06-06T23:23:08.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/85072/cpython/issues/85072"}