Update xarray/tests/test_datatree.py

Co-authored-by: Illviljan <14371165+Illviljan@users.noreply.github.com>
pydata · mathause · Jun 5, 2025 · Jun 5, 2025 · Jun 11, 2025 · Jun 12, 2025
commit 911a7d3023b37256d7af064a91039a5c9b6dfd3a
diff --git a/xarray/tests/test_datatree.py b/xarray/tests/test_datatree.py
@@ -333,7 +333,7 @@ def test_getitem_dict_like_selection_access_to_dataset(self) -> None:
         assert_identical(results[{"temp": 1}], data[{"temp": 1}])  # type: ignore[index]
 
 
-def test_subset():
+def test_subset() -> None:
     ds1 = xr.Dataset(data_vars={"var1": ("x", [1, 2]), "var2": ("x", [0, 1])})
     ds2 = xr.Dataset(data_vars={"var1": ("x", [1, 2])})
     dt = xr.DataTree.from_dict({"ds1": ds1, "ds2": ds2})