fix copyActor when subparts are in use

direct/src/actor/Actor.py

@@ -6,7 +6,6 @@ from pandac.PandaModules import *
 from direct.showbase.DirectObject import DirectObject
 from pandac.PandaModules import LODNode
 import types
-import copy as copy_module
 
 class Actor(DirectObject, NodePath):
     """