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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"AttributeError: module 'collections' has no attribute 'MutableMapping'","articleBody":"While executing the UnitTests.py file, the following error is given while using python 3.10:\r\nAttributeError: module 'collections' has no attribute 'MutableMapping'\r\n\r\nThis is called due to a conflict in the new version of python where attribute MutableMapping is no longer in the module collections. It was moved to collections.abc.MutableMapping.\r\n\r\nTo work arround this issue, the compatibility.py file in ~/.local/lib/python3.10/site-packages/unittest2 should be edit as in [here](https://stackoverflow.com/questions/70943244/attributeerror-module-collections-has-no-attribute-mutablemapping):\r\n```\r\nimport collections \r\nif sys.version_info.major == 3 and sys.version_info.minor \u003e= 10:\r\n    from collections.abc import MutableMapping\r\nelse: \r\n    from collections import MutableMapping\r\n```\r\nAdditionally, the class where \"collections.MutableMapping\" is called should be replace by \"MutableMapping\".\r\n","author":{"url":"https://github.com/pedro-acunha","@type":"Person","name":"pedro-acunha"},"datePublished":"2022-07-19T10:36:28.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/17/SciScript-Python/issues/17"}