add doc string, remove trailing blanks
treecfd0a973aa6468b56d80471c6a89975de403753a
-rw-r--r-- 3165 .flake8
-rw-r--r-- 1662 .gitattributes
-rw-r--r-- 393 .gitignore
-rw-r--r-- 584 .pre-commit-config.yaml
drwxr-xr-x - docutils
drwxr-xr-x - sandbox
drwxr-xr-x - web