feat: docstrings - change from single quote to double quote

[gardlt]

Is this a bug report or feature request? (choose one): feat

Python Version (output of python --version):

Development or Deployment Environment?:

Release Tag or Master:

Expected Behavior: we need """ docstrings

What Actually Happened: we are using ''' docstrings

How to Reproduce the Issue (as minimally as possible):

Any Additional Comments:

[ghost]

I can do this quickly after #62 is merged