diff --git a/IPython/core/tests/test_displayhook.py b/IPython/core/tests/test_displayhook.py
index d94c936..6435808 100644
--- a/IPython/core/tests/test_displayhook.py
+++ b/IPython/core/tests/test_displayhook.py
@@ -6,16 +6,16 @@ def test_output_displayed():
     """Checking to make sure that output is displayed"""
   
     with AssertPrints('2'):
-       ip.run_cell('1+1',store_history=True)
+       ip.run_cell('1+1', store_history=True)
       
     with AssertPrints('2'):
-        ip.run_cell('1+1 # comment with a semicolon;',store_history=True)
+        ip.run_cell('1+1 # comment with a semicolon;', store_history=True)
       
 def test_output_quiet():
     """Checking to make sure that output is quiet"""
   
     with AssertNotPrints('2'):
-        ip.run_cell('1+1;',store_history=True)
+        ip.run_cell('1+1;', store_history=True)
       
     with AssertNotPrints('2'):
-        ip.run_cell('1+1; # comment with a semicolon',store_history=True)
+        ip.run_cell('1+1; # comment with a semicolon', store_history=True)