fixed broken import for python2.6

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@307 bbaffbd6-741e-11dd-a85d-61de82d9cad9

Changelog

 Version 0.2.4 - UNRELEASED
  * join tangential moves (removes the inner points in a colinear set of adjacent path points)
  * fixed careless import of Tkinter
+ * fixed typo that breaks PyCAM for Python 2.6
 
 Version 0.2.3 - 2010-04-05
  * GUI change: tool and process settings can be combined into tasks

pycam/Geometry/Path.py

@@ -5,7 +5,7 @@ This reduces the memory consumption of a toolpath down to 1/3.
 """
 try:
     # this works for python 2.6 or above (saves memory)
-    from collections import namedtuple
+    import collections.namedtuple
     tuple_point = collections.namedtuple("TuplePoint", "x y z")
     get_point_object = lambda point: tuple_point(point.x, point.y, point.z)
 except ImportError: