Screenshots

 

After importing some python files, they display as UML which you can drag around and re-arrange.

 

pynsource_uml_ascii_toggle_1.png 

Toggling between UML and Ascii UML views.

 

pynsource_colour_1.png

Using the "colour sibling subclasses" feature to help understand the relationships between nodes on your workspace.

 

Built in print preview.