Subscription manager in F35 fails with "AttributeError: module 'collections' has no attribute 'MutableMapping'" This appears to be an instance of the common issue with Python 3.10 in F35: The deprecated aliases to Collections Abstract Base Classes were removed from the collections module. https://docs.python.org/3.10/whatsnew/changelog.html#python-3-10-0-alpha-5 https://bugs.python.org/issue37324
*** This bug has been marked as a duplicate of bug 1995465 ***