improve source documentation by consistent use of docstrings
As noted in !2266 (merged) about 500 entities in pmb do not have docstrings.
If someone is interested to dig into the pmb codebase this could be a nice side-task to take care of.
As noted in !2266 (merged) about 500 entities in pmb do not have docstrings.
If someone is interested to dig into the pmb codebase this could be a nice side-task to take care of.