diff --git a/scripts/addons/cam/simple.py b/scripts/addons/cam/simple.py
index 2fcf43c8..f782c98e 100644
--- a/scripts/addons/cam/simple.py
+++ b/scripts/addons/cam/simple.py
@@ -1,4 +1,4 @@
-import math,sys,os
+import math,sys,os,string
 import bpy
 import mathutils 
 from mathutils import *
diff --git a/scripts/addons/cam/utils.py b/scripts/addons/cam/utils.py
index 0d5ae8ff..a3e6539d 100644
--- a/scripts/addons/cam/utils.py
+++ b/scripts/addons/cam/utils.py
@@ -1177,10 +1177,6 @@ def sortChunks(chunks,o):
 	sys.setrecursionlimit(1000)
 
 	return sortedchunks
-		
-
-	
-
 
 def testbite(pos):
 	xs=(pos.x-o.min.x)/o.simulation_detail+o.borderwidth+o.simulation_detail/2#-m
@@ -1209,7 +1205,6 @@ def crazyPath(o):#TODO: try to do something with this  stuff, it's just a stub.
 	crazy=camPathChunk([(0,0,0)])
 	testpos=(o.min.x,o.min.y,o.min.z)
 	
-	
 def getSlices(operation, returnCurves):
 	'''function for slicing a mesh. It is now not used, but can be used for e.g. lasercutting from sheets a 3d model in the future.'''
 	ob=operation.object