split BytesNode, UnicodeNode and StringNode

1 files changed, 4 insertions, 2 deletions

diff --git a/Cython/TestUtils.py b/Cython/TestUtils.py
index bdd08a41e..6d62114c9 100644
--- a/Cython/TestUtils.py
+++ b/Cython/TestUtils.py
@@ -1,12 +1,14 @@
 import Cython.Compiler.Errors as Errors
 from Cython.CodeWriter import CodeWriter
-import unittest
 from Cython.Compiler.ModuleNode import ModuleNode
 import Cython.Compiler.Main as Main
 from Cython.Compiler.TreeFragment import TreeFragment, strip_common_indent
 from Cython.Compiler.Visitor import TreeVisitor, VisitorTransform
 from Cython.Compiler import TreePath
 
+import unittest
+import sys
+
 class NodeTypeWriter(TreeVisitor):
     def __init__(self):
         super(NodeTypeWriter, self).__init__()
@@ -107,7 +109,7 @@ class CythonTest(unittest.TestCase):
         try:
             return func()
         except:
-            self.fail()
+            self.fail(str(sys.exc_info()[1]))
 
 class TransformTest(CythonTest):
     """