1 files changed, 23 insertions, 9 deletions
diff --git a/test/test_interface.py b/test/test_interface.py
index 1dbed7a..a3c20bf 100644
--- a/test/test_interface.py
+++ b/test/test_interface.py
@@ -18,31 +18,44 @@
 from logilab.common.testlib import TestCase, unittest_main
 from logilab.common.interface import *
 
-class IFace1(Interface): pass
-class IFace2(Interface): pass
-class IFace3(Interface): pass
+
+class IFace1(Interface):
+    pass
+
+
+class IFace2(Interface):
+    pass
+
+
+class IFace3(Interface):
+    pass
 
 
 class A(object):
     __implements__ = (IFace1,)
 
 
-class B(A): pass
+class B(A):
+    pass
 
 
 class C1(B):
     __implements__ = list(B.__implements__) + [IFace3]
 
+
 class C2(B):
     __implements__ = B.__implements__ + (IFace2,)
 
+
 class D(C1):
     __implements__ = ()
 
-class Z(object): pass
 
-class ExtendTC(TestCase):
+class Z(object):
+    pass
+
 
+class ExtendTC(TestCase):
     def setUp(self):
         global aimpl, c1impl, c2impl, dimpl
         aimpl = A.__implements__
@@ -73,9 +86,10 @@ class ExtendTC(TestCase):
         self.assertTrue(C1.__implements__ is c1impl)
         self.assertTrue(D.__implements__ is dimpl)
 
-
     def test_nonregr_implements_baseinterface(self):
-        class SubIFace(IFace1): pass
+        class SubIFace(IFace1):
+            pass
+
         class X(object):
             __implements__ = (SubIFace,)
 
@@ -83,5 +97,5 @@ class ExtendTC(TestCase):
         self.assertTrue(IFace1.is_implemented_by(X))
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest_main()