[pre-commit.ci] auto fixes from pre-commit.com hooks

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xarray/core/datatree.py

@@ -971,7 +971,7 @@ def update(
     def inherit(self) -> DataTree:
         """
         Returns a copy of this node additionally containing all coordinates that can be inherited from parent nodes.
-       
+
         Inspired by the CF conventions' "search by proximity" [1]_.
 
         References
@@ -993,7 +993,7 @@ def find_compatible_variables(
                 explicit_coords=list(candidate_variables.keys())
                 combine_attrs="override",
             )
-        
+
         # TODO this will call merge for every parent up to the root. Is there an alternative design which only calls merge once?
 
         # TODO use _MergeResult instead?