There is a new PyUML version 1.2.2. The changes are that refactoring code from a changed model element (e.g. renaming classes) is working again.
Also there is a new experimental update site. At this site, support for creating import statements on class inheritance was added again.
Please not that such statements might not work if you are already importing the class by a statement other than "import ClassX from classx"
The experimental update site can be found at
The normal update site is
Please uninstall the normal version when installing the experimental version and vice versa.