Lru

gto76 · gto76 · commit a59ca7fbd42c · 2019-01-28T19:22:18.000+01:00
diff --git a/README.md b/README.md
@@ -624,6 +624,8 @@ def add(x, y):
 ### LRU Cache
 **Decorator that caches function's return values. All arguments must be hashable.**
 ```python
+from functools import lru_cache
+
 @lru_cache(maxsize=None)
 def fib(n):
     if n < 2:
