there we go. getTightBounds should work now for nodepath collections

direct/src/extensions_native/NodePathCollection_extensions.py

@@ -20,7 +20,7 @@ del asList
 #####################################################################3333      
 
 def getTightBounds(self):
-    from pandac import Point3
+    from pandac.PandaModules import Point3
     
     if self.getNumPaths() == 0:
         return (Point3.Point3(0), Point3.Point3(0))