Fix the two Twisted trial errors under win32.

I had incorrectly used a nose decorator instead of the twisted approach.

IPython/kernel/core/tests/test_redirectors.py

@@ -18,18 +18,19 b' __test__ = {}'
 
 from cStringIO import StringIO
 import os
+import sys
 
 from twisted.trial import unittest
 
-from IPython.testing import decorators as dec
-
 #-----------------------------------------------------------------------------
 # Tests
 #-----------------------------------------------------------------------------
 
 class TestRedirector(unittest.TestCase):
 
-    @dec.skip_win32
+    if sys.platform == 'win32':
+        skip = True
+    
     def test_redirector(self):
         """Checks that the redirector can be used to do synchronous capture.
         """
@@ -50,7 +51,6 b' class TestRedirector(unittest.TestCase):'
         result2 = "".join("%ic\n%i\n" %(i, i) for i in range(10))
         self.assertEquals(result1, result2)
 
-    @dec.skip_win32
     def test_redirector_output_trap(self):
         """Check the greedy trapping behavior of the traps.
         
@@ -58,7 +58,8 b' class TestRedirector(unittest.TestCase):'
         trap the output, but also that it does it in a gready way, that
         is by calling the callback ASAP.
         """
-        from IPython.kernel.core.redirector_output_trap import RedirectorOutputTrap
+        from IPython.kernel.core.redirector_output_trap import \
+            RedirectorOutputTrap
         out = StringIO()
         trap = RedirectorOutputTrap(out.write, out.write)
         try: