diff --git a/solutions/object_oriented_design/deck_of_cards/deck_of_cards.py b/solutions/object_oriented_design/deck_of_cards/deck_of_cards.py
index a313fc5a..5b2ae9f2 100644
--- a/solutions/object_oriented_design/deck_of_cards/deck_of_cards.py
+++ b/solutions/object_oriented_design/deck_of_cards/deck_of_cards.py
@@ -10,7 +10,7 @@ class Suit(Enum):
     CLUBS = 2
     SPADE = 3
 
-# test
+# test 
 
 
 class Card(metaclass=ABCMeta):