How to Import 'Other' (i.e. non-standard) libraries to make their methods available in eval nodes?

[AndrewBuiltThis]

The specific question relates to the GIS python library, arcpy. I want to model a relatively simple proof of concept wherein a user can enter their credentials and target database (sql) and an evaluation node organizes the provided inputs to execute an arcpy method.

However, when invoking the library, I receive a 'Product is Not Initialized' error, which occurs when the arcpy library isn't loaded in "at runtime." Aside from using an external script process (LINK in/LINK out?), is there something I am missing or a workflow that I am not privy to? Ultimately I am looking to invoke the aforementioned library when the ryven 'environment' gets initialized so the resultant 'arcpy' methods are readily available through a single 'master/parent' import statement.

Any and all assistance is welcome! I am just getting started with Ryven so I apologize if this is an amateurish question, but feel free to ask for any/all clarifying information.