Really minor optimization and style change for d0e3d75381292fc7bf417598f9f6542a7fcd2d07
Really minor optimization and style change for d0e3d75381292fc7bf417598f9f6542a7fcd2d07

* Use a generator expression instead of a list comprehension
* Use copy() to create a new set instead of the constructor.

thaim/ansible,thaim/ansible