ignore the intentionally wrong typing

Author: keewis

xarray/tests/test_groupby.py

@@ -728,7 +728,7 @@ def test_groupby_dataset_iter() -> None:
 def test_groupby_dataset_errors() -> None:
     data = create_test_data()
     with pytest.raises(TypeError, match=r"`group` must be"):
-        data.groupby(np.arange(10))
+        data.groupby(np.arange(10))  # type: ignore
     with pytest.raises(ValueError, match=r"length does not match"):
         data.groupby(data["dim1"][:3])
     with pytest.raises(TypeError, match=r"`group` must be"):