diff --git a/pecan/decorators.py b/pecan/decorators.py
index 4f73ce5..be27df8 100644
--- a/pecan/decorators.py
+++ b/pecan/decorators.py
@@ -117,7 +117,7 @@ def after_commit(action):
     :param action: The callable to call after the commit is successfully
                    issued.
     '''
-    return  after_action('commit', action)
+    return after_action('commit', action)
 
 
 def after_rollback(action):
@@ -129,7 +129,7 @@ def after_rollback(action):
     :param action: The callable to call after the rollback is successfully
                    issued.
     '''
-    return  after_action('rollback', action)
+    return after_action('rollback', action)
 
 
 def accept_noncanonical(func):
diff --git a/pecan/tests/test_hooks.py b/pecan/tests/test_hooks.py
index ab0faea..080b802 100644
--- a/pecan/tests/test_hooks.py
+++ b/pecan/tests/test_hooks.py
@@ -1082,7 +1082,7 @@ class TestRequestViewerHook(TestCase):
                 RootController(),
                 hooks=[
                     RequestViewerHook(
-                        config={'items':['path']}, writer=_stdout
+                        config={'items': ['path']}, writer=_stdout
                     )
                 ]
             )
@@ -1117,7 +1117,7 @@ class TestRequestViewerHook(TestCase):
                 RootController(),
                 hooks=[
                     RequestViewerHook(
-                        config={'blacklist':['/']}, writer=_stdout
+                        config={'blacklist': ['/']}, writer=_stdout
                     )
                 ]
             )
@@ -1144,7 +1144,7 @@ class TestRequestViewerHook(TestCase):
                 RootController(),
                 hooks=[
                     RequestViewerHook(
-                        config={'items':['date']}, writer=_stdout
+                        config={'items': ['date']}, writer=_stdout
                     )
                 ]
             )