Update __init__.py

haryunio · web-flow · commit f94274245559 · 2016-10-31T15:40:33.000+09:00
diff --git a/data_structures/Stacks/__init__.py b/data_structures/Stacks/__init__.py
@@ -5,7 +5,7 @@ def __init__(self):
       self.top = 0
 
    def is_empty(self):
-      return self.top == 0
+      return (self.top == 0)
 
    def push(self, item):
       if self.top < len(self.stack):
