Py2.3 fix

diff --git a/Cython/Shadow.py b/Cython/Shadow.py
index ef0586026c2e724833c75b20ab196cd4ea1a08d0..e3f7f9e74a0654e53f04f44b0f6c664e8834e34a 100644 (file)
--- a/Cython/Shadow.py
+++ b/Cython/Shadow.py
@@ -161,14 +161,15 @@ except NameError: # Py3
     py_long = int
 
 try:
+    # Python 3
+    from builtins import set
+except ImportError:
     try:
+        # Python 2.4+
         from __builtin__ import set
-    except AttributeError:
+    except ImportError:
         # Py 2.3
         from sets import Set as set
-except ImportError:
-    # Python 3
-    from builtins import set
 
 # Predefined types