From 7403bafc5d3a5fb85e4820b77adf93562f29e6fb 2011-04-08 23:16:01
From: MinRK <benjaminrk@gmail.com>
Date: 2011-04-08 23:16:01
Subject: [PATCH] don't unconditionally import nose

Commit b64f754008964caef3b2a7620510b5c80f755fb0
broke IPython entirely in the absence of nose (even setup.py).
---

diff --git a/IPython/external/decorators/__init__.py b/IPython/external/decorators/__init__.py
index 79b00c3..6401893 100644
--- a/IPython/external/decorators/__init__.py
+++ b/IPython/external/decorators/__init__.py
@@ -3,4 +3,7 @@ try:
     from numpy.testing.noseclasses import KnownFailure
 except ImportError:
     from _decorators import *
-    from _numpy_testing_noseclasses import KnownFailure
+    try:
+        from _numpy_testing_noseclasses import KnownFailure
+    except ImportError:
+        pass
diff --git a/IPython/external/decorators/_decorators.py b/IPython/external/decorators/_decorators.py
index 7aaa1ed..3698a98 100644
--- a/IPython/external/decorators/_decorators.py
+++ b/IPython/external/decorators/_decorators.py
@@ -21,7 +21,10 @@ import warnings
 #        WarningManager, WarningMessage
 # Our version:
 from _numpy_testing_utils import WarningManager
-from _numpy_testing_noseclasses import KnownFailureTest
+try:
+    from _numpy_testing_noseclasses import KnownFailureTest
+except:
+    pass
 
 # End IPython changes