When it comes to more advanced statistical models you won't find those implemented in Python. Then you can fool around in rpy, but all you'll get is the worst from both worlds.
The R skill requirements for this package are pretty low, you'll spend far more time fighting needless problems if you want to do it in Python.
Learn a little R and you do yourself a favor that will pay off many times over in the future.
I think it is bad practice to keep two communitites busy with the same question, https://support.bioconductor.org/p/9136105/