diff --git a/Demo/metaclasses/Eiffel.py b/Demo/metaclasses/Eiffel.py
index 68eb1cd..24fac14 100644
--- a/Demo/metaclasses/Eiffel.py
+++ b/Demo/metaclasses/Eiffel.py
@@ -87,7 +87,7 @@
         if self.post:
             apply(self.post, (Result,) + args, kw)
         return Result
-    
+
 class EiffelHelper(MetaHelper):
     __methodwrapper__ = EiffelMethodWrapper
 
diff --git a/Demo/metaclasses/Meta.py b/Demo/metaclasses/Meta.py
index 5534074..580f582 100644
--- a/Demo/metaclasses/Meta.py
+++ b/Demo/metaclasses/Meta.py
@@ -88,7 +88,7 @@
             init = lambda: None
         apply(init, args, kw)
         return inst
-    
+
 
 Meta = MetaClass('Meta', (), {})
 
@@ -116,5 +116,3 @@
 
 if __name__ == '__main__':
     _test()
-
-    
diff --git a/Demo/metaclasses/Synch.py b/Demo/metaclasses/Synch.py
index df70337..80e52d9 100644
--- a/Demo/metaclasses/Synch.py
+++ b/Demo/metaclasses/Synch.py
@@ -125,7 +125,7 @@
     lock.release()
 
     lock.acquire()
-    
+
     thread.start_new_thread(f1, (lock,)) # Adds 2
     thread.start_new_thread(f1, (lock, f1)) # Adds 3
     thread.start_new_thread(f2, (lock,)) # Adds 1
diff --git a/Demo/metaclasses/Trace.py b/Demo/metaclasses/Trace.py
index ea12cd9..69b9fab 100644
--- a/Demo/metaclasses/Trace.py
+++ b/Demo/metaclasses/Trace.py
@@ -142,4 +142,3 @@
 
 if __name__ == '__main__':
     _test()
-