Please check these forum blog/discussion threads for more on the migration step required.
- https://community.ibm.com/community/user/blogs/sangamesh-mallayya1/2022/01/10/aix-migration-with-dnf
- https://community.ibm.com/community/user/discussion/migrating-to-python39-for-aix-toolbox-python3-ecosystem#bm7c12cb47-fe61-441f-924e-0188afd09151
To resolve this issue, Please try the steps mentioned in the comment number : 63 this discussion