diff --git a/magnumclient/tests/base.py b/magnumclient/tests/base.py
index 93b83262..0b5b1f44 100644
--- a/magnumclient/tests/base.py
+++ b/magnumclient/tests/base.py
@@ -50,4 +50,4 @@ class TestCase(testtools.TestCase):
             stderr = self.useFixture(fixtures.StringStream('stderr')).stream
             self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))
 
-        self.log_fixture = self.useFixture(fixtures.FakeLogger())
\ No newline at end of file
+        self.log_fixture = self.useFixture(fixtures.FakeLogger())
diff --git a/magnumclient/tests/test_magnumclient.py b/magnumclient/tests/test_magnumclient.py
index ba91a0bf..55e738a7 100644
--- a/magnumclient/tests/test_magnumclient.py
+++ b/magnumclient/tests/test_magnumclient.py
@@ -24,4 +24,4 @@ from magnumclient.tests import base
 class TestMagnumclient(base.TestCase):
 
     def test_something(self):
-        pass
\ No newline at end of file
+        pass
diff --git a/magnumclient/tests/utils.py b/magnumclient/tests/utils.py
index 56cb8b74..a6417fbe 100644
--- a/magnumclient/tests/utils.py
+++ b/magnumclient/tests/utils.py
@@ -97,7 +97,7 @@ class FakeResponse(object):
         return self.body.read(amt)
 
 
-class FakeServiceCatalog():
+class FakeServiceCatalog(object):
     def url_for(self, endpoint_type, service_type, attr=None,
                 filter_value=None):
         if attr == 'region' and filter_value:
@@ -106,7 +106,7 @@ class FakeServiceCatalog():
             return 'http://localhost:6385/v1/f14b41234'
 
 
-class FakeKeystone():
+class FakeKeystone(object):
     service_catalog = FakeServiceCatalog()
     timestamp = datetime.datetime.utcnow() + datetime.timedelta(days=5)
 
diff --git a/test-requirements.txt b/test-requirements.txt
index b8829ab0..cab8ecf4 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-hacking>=0.9.2,<0.10
+hacking>=0.10.0,<0.11
 
 coverage>=3.6
 discover