Greetings Chris,
So I've forked your GitHub repo and created a small iPython Notebook called «GeoProcPy-Ch3-VectorData.ipynb» and shared it on my GitHub account: https://github.com/ClaudeCoulombe/osgeopy-code with some additions and modifications in order to make the code working.
I will withdraw the notebook if that offend you in any way.
Claude COULOMBE
Montréal