It turns out that moap declares a build dependency on both python-epydoc and pychecker which is not strictly necessary. The code builds fine without either of these packages installed. The only functional difference is that the API documentation is not generated if epydoc is not installed.
I have prepared a pull request to remove these dependencies: https://salsa.debian.org/python-team/applications/moap/merge_requests/1 I know I haven't given you much notice on these bugs. I would normally wait a few weeks to give you a chance to respond. However, since this NMU makes only minimal functional changes to your package, I have decided to upload immediately rather than waiting. This lets me keep moving on the removal process for epydoc and pychecker, and at the same time allows me to close the two serious bugs against your package. You can merge these changes whenever it's convenient. KEN