From 7c27e6f2a7475898c28fc71f1ba83f892fe24c4a Mon Sep 17 00:00:00 2001
From: Tom Vo <tomvothecoder@gmail.com>
Date: Thu, 5 Sep 2024 11:29:33 -0700
Subject: [PATCH] Fix `TypeError` for optional `region` arg in `TypedDict`

---
 xcdat/spatial.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xcdat/spatial.py b/xcdat/spatial.py
index aec0b9a9..a16fd57a 100644
--- a/xcdat/spatial.py
+++ b/xcdat/spatial.py
@@ -8,6 +8,7 @@
     Hashable,
     List,
     Literal,
+    Optional,
     Tuple,
     TypedDict,
     Union,
@@ -263,7 +264,7 @@ def get_weights(
         and pressure).
         """
         Bounds = TypedDict(
-            "Bounds", {"weights_method": Callable, "region": np.ndarray | None}
+            "Bounds", {"weights_method": Callable, "region": Optional[np.ndarray]}
         )
 
         axis_bounds: Dict[SpatialAxis, Bounds] = {