René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Declaring a class creates circular references","articleBody":"BPO | [9417](https://bugs.python.org/issue9417)\n--- | :---\nNosy | @birkenfeld, @terryjreedy, @abalkin, @pitrou, @kristjanvalur, @durban\nFiles | \u003cli\u003e[test.py](https://bugs.python.org/file18251/test.py \"Uploaded as text/plain at 2010-07-29.14:19:43 by andrea.corbellini\"): Test script to reproduce the problem\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 2014-10-06.12:41:18.813\u003e\ncreated_at = \u003cDate 2010-07-29.14:19:44.836\u003e\nlabels = ['interpreter-core', 'performance']\ntitle = 'Declaring a class creates circular references'\nupdated_at = \u003cDate 2020-04-25.21:14:22.345\u003e\nuser = 'https://bugs.python.org/andreacorbellini'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2020-04-25.21:14:22.345\u003e\nactor = 'terry.reedy'\nassignee = 'none'\nclosed = True\nclosed_date = \u003cDate 2014-10-06.12:41:18.813\u003e\ncloser = 'georg.brandl'\ncomponents = ['Interpreter Core']\ncreation = \u003cDate 2010-07-29.14:19:44.836\u003e\ncreator = 'andrea.corbellini'\ndependencies = []\nfiles = ['18251']\nhgrepos = []\nissue_num = 9417\nkeywords = []\nmessage_count = 23.0\nmessages = ['111935', '111945', '111946', '111950', '111951', '111955', '111957', '111961', '111963', '111966', '111989', '112051', '112055', '112059', '113126', '113133', '113158', '113181', '227969', '228674', '367272', '367273', '367283']\nnosy_count = 12.0\nnosy_names = ['georg.brandl', 'terry.reedy', 'belopolsky', 'pitrou', 'kristjan.jonsson', 'dstanek', 'andrea.corbellini', 'daniel.urban', 'ysj.ray', 'BreamoreBoy', 'kayhayen', 'warp10']\npr_nums = []\npriority = 'normal'\nresolution = 'wont fix'\nstage = None\nstatus = 'closed'\nsuperseder = None\ntype = 'resource usage'\nurl = 'https://bugs.python.org/issue9417'\nversions = ['Python 3.5']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/andreacorbellini","@type":"Person","name":"andreacorbellini"},"datePublished":"2010-07-29T14:19:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":23},"url":"https://github.com/53663/cpython/issues/53663"}