Google API access using Service Account oauth2client.client.CryptoUnavailableError: No crypto library available

Question

I am trying to create a service account app so that I can access Google Analytics api using Python. Two things are confusing me. First, when I use the following code:

Answer 1

This did the trick for me (without converting to PEM):

pip install PyOpenSSL

pip freeze says I have version 0.15.1