Fix #13, PEP8-ify notebooks.

linked_lists/remove_duplicates/test_remove_duplicates.py

@@ -2,7 +2,7 @@ from nose.tools import assert_equal
 
 
 class TestRemoveDupes(object):
-    
+
     def test_remove_dupes(self, linked_list):
         print('Test: Empty list')
         linked_list.remove_dupes()
@@ -24,13 +24,15 @@ class TestRemoveDupes(object):
         print('Test: General case, no duplicates')
         linked_list.remove_dupes()
         assert_equal(linked_list.get_all_data(), [1, 3, 2])
-        
+
         print('Success: test_remove_dupes\n')
 
+
 def main():
     test = TestRemoveDupes()
     linked_list = MyLinkedList(None)
     test.test_remove_dupes(linked_list)
-    
+
+
 if __name__ == '__main__':
     main()