Custom Scripting Service - Python option missing?

Hi,

I just setup my first Dreamfactory installation today (Cloned from Github and setup according to the installation guide in the wiki).

My intention was to use Python scripting, however I noted that the option is not available under when I create a new Custom Scripting Service.
Only V8js, PHP and Node.js are listed as options for the Script Engine Type.

Unfortunately I wasn't able to find more information about it in the documentation, and according to the official tutorial (http://wiki.dreamfactory.com/DreamFactory/Tutorials/Python_Custom_scripting_service_math), the option should be there...

Am I missing something?

Thanks,
Lukas