diff --git a/python/python/glide/constants.py b/python/python/glide/constants.py
index 1526ee1167..0f87c68301 100644
--- a/python/python/glide/constants.py
+++ b/python/python/glide/constants.py
@@ -21,6 +21,7 @@
     Dict[str, T],
     float,
     Set[T],
+    List[T],
 ]
 TRequest = Union[RedisRequest, ConnectionRequest]
 # When routing to a single node, response will be T