diff --git a/src/numericalmethods/roots.py b/src/numericalmethods/roots.py
index f5f7ed4..50f6cce 100644
--- a/src/numericalmethods/roots.py
+++ b/src/numericalmethods/roots.py
@@ -1,6 +1,6 @@
 import sys
 import warnings
-from typing import Callable, Optional
+from typing import Callable, Optional, Sequence, List
 
 import numpy as np