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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":" Error importing plugin \"classes.contrib.mypy.classes_plugin\" cannot import name 'union_items' from 'mypy.types'","articleBody":"# Bug report\r\n\r\n\u003c!--\r\nHi, thanks for submitting a bug. We appreciate that.\r\n\r\nBut, we will need some information about what's wrong to help you.\r\n--\u003e\r\n\r\n## What's wrong\r\n\r\n\u003c!-- Describe what is not working. Please, attach a traceback. --\u003e\r\nI am hitting the error on a clean installation with python3.11 on MacOS.\r\n```python\r\nPython 3.11.1 (main, Dec 12 2022, 14:17:59) [Clang 14.0.0 (clang-1400.0.29.202)] on darwin\r\nType \"help\", \"copyright\", \"credits\" or \"license\" for more information.\r\n\u003e\u003e\u003e import classes.contrib.mypy.classes_plugin\r\nTraceback (most recent call last):\r\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\r\n  File \"/Users/uname/PycharmProjects/sandbox/.venv/lib/python3.11/site-packages/classes/contrib/mypy/classes_plugin.py\", line 33, in \u003cmodule\u003e\r\n    from classes.contrib.mypy.features import associated_type, supports, typeclass\r\n  File \"/Users/uname/PycharmProjects/sandbox/.venv/lib/python3.11/site-packages/classes/contrib/mypy/features/typeclass.py\", line 17, in \u003cmodule\u003e\r\n    from classes.contrib.mypy.typeops import (\r\n  File \"/Users/uname/PycharmProjects/sandbox/.venv/lib/python3.11/site-packages/classes/contrib/mypy/typeops/call_signatures.py\", line 9, in \u003cmodule\u003e\r\n    from mypy.types import TypeVarType, union_items\r\nImportError: cannot import name 'union_items' from 'mypy.types' (/Users/uname/PycharmProjects/sandbox/.venv/lib/python3.11/site-packages/mypy/types.cpython-311-darwin.so)\r\n```\r\n\r\n## How is that should be\r\n\r\n\u003c!-- Describe how it should work. --\u003e\r\n\r\nNo errors\r\n\r\n\u003c!--\r\n\r\n  Love dry-python? ❤️\r\n  Do you want your bugs to be solved faster?\r\n\r\n  Please consider supporting us:\r\n  👉  https://github.com/sponsors/dry-python\r\n\r\n--\u003e\r\n\r\n## System information\r\n\r\n- `python` version:\r\n- `classes` version:\r\n- `mypy` version:\r\n","author":{"url":"https://github.com/zhukovgreen","@type":"Person","name":"zhukovgreen"},"datePublished":"2023-03-14T20:44:56.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/481/classes/issues/481"}