fix(dynamodb): Fix mypy type for _build_projection_expression return

Jwrede · ntkathole · commit 2500dd3d89b2 · 2026-05-14T12:13:49.000+05:30
The return dict contains both str and Dict[str, str] values, so the
return type must be Dict[str, Any] not Dict[str, str].

Signed-off-by: Jonathan Wrede &lt;wrede.jonathan00@gmail.com&gt;
diff --git a/sdk/python/feast/infra/online_stores/dynamodb.py b/sdk/python/feast/infra/online_stores/dynamodb.py
@@ -794,7 +794,7 @@ def _to_client_batch_get_payload(
     @staticmethod
     def _build_projection_expression(
         requested_features: Optional[List[str]],
-    ) -> Optional[Dict[str, str]]:
+    ) -> Optional[Dict[str, Any]]:
         if not requested_features:
             return None
         attr_names: Dict[str, str] = {
