YAML Load warnings

[cclauss]

@purhan Would you be willing to create another PR like internetarchive/openlibrary#3963 to fix similar warnings on this repo?

• https://github.com/internetarchive/infogami/blob/master/infogami/__init__.py#L168
• https://github.com/internetarchive/infogami/blob/master/infogami/infobase/server.py#L636

[purhan]

Sure, I will create a PR soon.