Add helper function for reraising exceptions

1 files changed, 4 insertions, 6 deletions

diff --git a/astroid/decorators.py b/astroid/decorators.py
index a417527..2303f41 100644
--- a/astroid/decorators.py
+++ b/astroid/decorators.py
@@ -21,11 +21,10 @@
 
 """ A few useful function/method decorators."""
 
-import sys
-
-import six
 import wrapt
 
+from astroid import util
+
 
 @wrapt.decorator
 def cached(func, instance, args, kwargs):
@@ -60,9 +59,8 @@ class cachedproperty(object):
         try:
             wrapped.__name__
         except AttributeError:
-            six.reraise(TypeError,
-                        TypeError('%s must have a __name__ attribute' % wrapped),
-                        sys.exc_info()[2])
+            util.reraise(TypeError('%s must have a __name__ attribute'
+                                   % wrapped))
         self.wrapped = wrapped
 
     @property