Fix file, long, raw_input, and xrange for Python 3

src/Mod/Path/PathScripts/PathCircularHoleBaseGui.py

@@ -22,6 +22,8 @@
 # *                                                                         *
 # ***************************************************************************
 
+from six.moves import xrange
+
 import FreeCAD
 import FreeCADGui
 import PathScripts.PathLog as PathLog

src/Mod/Path/PathScripts/PathSurface.py

@@ -24,6 +24,8 @@
 
 from __future__ import print_function
 
+from six.moves import xrange
+
 import FreeCAD
 import MeshPart
 # import Part