diff --git a/bin/curvecalc b/bin/curvecalc
--- a/bin/curvecalc
+++ b/bin/curvecalc
@@ -8,7 +8,10 @@ from __future__ import division
 import xmlrpclib,time,socket,sys,textwrap,math,glob,random,os,optparse
 from bisect import bisect_left,bisect,bisect_right
 import Tkinter as tk
-from dispatch import dispatcher
+try:
+    from dispatch import dispatcher
+except ImportError:
+    import louie as dispatcher 
 from twisted.internet import reactor,tksupport
 import twisted
 from twisted.web.xmlrpc import Proxy