diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index 20863837fa1b8f..53b4b69f84b7bf 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -1201,6 +1201,7 @@ variants of :func:`functools.lru_cache`:
 
 .. testcode::
 
+    from collections import OrderedDict
     from time import time
 
     class TimeBoundedLRU: