Merge pull request faif#205 from jefffffrey/master

faif · web-flow · commit 89e65c5dca01 · 2017-08-05T20:31:09.000+02:00
fix a minor bug
diff --git a/structural/flyweight.py b/structural/flyweight.py
@@ -37,7 +37,7 @@ def __call__(cls, *args, **kwargs):
         pool = getattr(cls, 'pool', {})
 
         instance = pool.get(key)
-        if not instance:
+        if instance is None:
             instance = super(FlyweightMeta, cls).__call__(*args, **kwargs)
             pool[key] = instance
         return instance
