René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Problems caused by isinstance(list[int], type) returning True","articleBody":"BPO | [45665](https://bugs.python.org/issue45665)\r\n--- | :---\r\nNosy | @gvanrossum, @serhiy-storchaka, @wyfo, @Fidget-Spinner, @AlexWaygood, @martinitus\r\nDependencies | \u003cli\u003ebpo-40296: help(list[int]) fails\u003c/li\u003e\u003cli\u003ebpo-45438: inspect not capturing type annotations created by __class_getitem__\u003c/li\u003e\u003cli\u003ebpo-45662: Incorrect repr of InitVar of a type alias\u003c/li\u003e\u003cli\u003ebpo-45663: is_dataclass() does not work for dataclasses which are subclasses of types.GenericAlias\u003c/li\u003e\u003cli\u003ebpo-45664: resolve_bases() and new_class() do not work with type alias of a built-in type\u003c/li\u003e\u003cli\u003ebpo-46032: functools\u0026#x27; singledispatch does not support GenericAlias\u003c/li\u003e\r\n\r\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\r\n\r\n\u003cdetails\u003e\u003csummary\u003eShow more details\u003c/summary\u003e\u003cp\u003e\r\n\r\nGitHub fields:\r\n```python\r\nassignee = None\r\nclosed_at = None\r\ncreated_at = \u003cDate 2021-10-29.08:27:43.950\u003e\r\nlabels = ['type-bug', 'library', '3.9', '3.10', '3.11']\r\ntitle = 'Problems caused by isinstance(list[int], type) returning True'\r\nupdated_at = \u003cDate 2022-01-06.16:58:47.655\u003e\r\nuser = 'https://github.com/serhiy-storchaka'\r\n```\r\n\r\nbugs.python.org fields:\r\n```python\r\nactivity = \u003cDate 2022-01-06.16:58:47.655\u003e\r\nactor = 'AlexWaygood'\r\nassignee = 'none'\r\nclosed = False\r\nclosed_date = None\r\ncloser = None\r\ncomponents = ['Library (Lib)']\r\ncreation = \u003cDate 2021-10-29.08:27:43.950\u003e\r\ncreator = 'serhiy.storchaka'\r\ndependencies = ['40296', '45438', '45662', '45663', '45664', '46032']\r\nfiles = []\r\nhgrepos = []\r\nissue_num = 45665\r\nkeywords = []\r\nmessage_count = 17.0\r\nmessages = ['405290', '405291', '405427', '405429', '408207', '409167', '409233', '409679', '409691', '409694', '409697', '409701', '409702', '409703', '409711', '409792', '409881']\r\nnosy_count = 6.0\r\nnosy_names = ['gvanrossum', 'serhiy.storchaka', 'joperez', 'kj', 'AlexWaygood', 'martinitus']\r\npr_nums = []\r\npriority = 'normal'\r\nresolution = None\r\nstage = None\r\nstatus = 'open'\r\nsuperseder = None\r\ntype = 'behavior'\r\nurl = 'https://bugs.python.org/issue45665'\r\nversions = ['Python 3.9', 'Python 3.10', 'Python 3.11']\r\n```\r\n\r\n\u003c/p\u003e\u003c/details\u003e\r\n\r\n- [x] #84476\r\n- [x] #89601\r\n- [x] #89825\r\n- [x] #89826\r\n- [x] #89827\r\n- [x] #90190\r\n- [x] #93847","author":{"url":"https://github.com/serhiy-storchaka","@type":"Person","name":"serhiy-storchaka"},"datePublished":"2021-10-29T08:27:44.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":22},"url":"https://github.com/89828/cpython/issues/89828"}