René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"ValueError for list.remove() not very helpful","articleBody":"BPO | [4510](https://bugs.python.org/issue4510)\n--- | :---\nNosy | @brettcannon, @birkenfeld, @rhettinger, @amauryfa, @benjaminp\nFiles | \u003cli\u003e[list-excs.diff](https://bugs.python.org/file12244/list-excs.diff \"Uploaded as text/plain at 2008-12-05.19:25:12 by @birkenfeld\")\u003c/li\u003e\u003cli\u003e[improve_list_remove_error.diff](https://bugs.python.org/file18110/improve_list_remove_error.diff \"Uploaded as text/plain at 2010-07-21.19:08:51 by tlesher\")\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 2010-11-02.12:42:28.054\u003e\ncreated_at = \u003cDate 2008-12-03.23:38:36.840\u003e\nlabels = ['easy', 'type-feature']\ntitle = 'ValueError for list.remove() not very helpful'\nupdated_at = \u003cDate 2010-11-02.12:42:28.037\u003e\nuser = 'https://github.com/brettcannon'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2010-11-02.12:42:28.037\u003e\nactor = 'benjamin.peterson'\nassignee = 'none'\nclosed = True\nclosed_date = \u003cDate 2010-11-02.12:42:28.054\u003e\ncloser = 'benjamin.peterson'\ncomponents = []\ncreation = \u003cDate 2008-12-03.23:38:36.840\u003e\ncreator = 'brett.cannon'\ndependencies = []\nfiles = ['12244', '18110']\nhgrepos = []\nissue_num = 4510\nkeywords = ['patch', 'easy']\nmessage_count = 8.0\nmessages = ['76852', '77057', '111076', '111106', '111125', '111397', '111615', '120217']\nnosy_count = 6.0\nnosy_names = ['brett.cannon', 'georg.brandl', 'rhettinger', 'amaury.forgeotdarc', 'tlesher', 'benjamin.peterson']\npr_nums = []\npriority = 'low'\nresolution = 'out of date'\nstage = 'patch review'\nstatus = 'closed'\nsuperseder = None\ntype = 'enhancement'\nurl = 'https://bugs.python.org/issue4510'\nversions = ['Python 3.2']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/brettcannon","@type":"Person","name":"brettcannon"},"datePublished":"2008-12-03T23:38:37.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/48760/cpython/issues/48760"}