diff --git a/python/shin/__init__.py b/python/shin/__init__.py
index baf9d1b..4dd9195 100644
--- a/python/shin/__init__.py
+++ b/python/shin/__init__.py
@@ -3,7 +3,7 @@
 from collections.abc import Mapping, Sequence
 from dataclasses import dataclass
 from math import sqrt
-from typing import Generic, Literal, TypeVar, overload
+from typing import Any, Generic, Literal, TypeVar, overload
 
 from .shin import optimise as _optimise_rust