Unnecessary tuple/list literal (#10450)

Rewrite as set literal syntax.

Author: DimitriPapadopoulos

xarray/tests/test_computation.py

@@ -1397,7 +1397,7 @@ def test_apply_dask_new_output_sizes_not_supplied_same_dim_names() -> None:
             da,
             input_core_dims=[["i", "j"]],
             output_core_dims=[["i", "j"]],
-            exclude_dims=set(("i", "j")),
+            exclude_dims={"i", "j"},
             dask="parallelized",
         )
 

xarray/tests/test_datatree.py

@@ -1657,7 +1657,7 @@ def test_drop_nodes(self) -> None:
 
         # test drop multiple nodes
         dropped = sue.drop_nodes(names=["Mary", "Kate"])
-        assert not set(["Mary", "Kate"]).intersection(set(dropped.children))
+        assert not {"Mary", "Kate"}.intersection(set(dropped.children))
         assert "Ashley" in dropped.children
 
         # test raise