Update xarray/core/dataset.py

dcherian · Feb 12, 2021 · fc9be4e · fc9be4e
1 parent 4c031b6
commit fc9be4e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/xarray/core/dataset.py b/xarray/core/dataset.py
@@ -2995,7 +2995,7 @@ def _rename_dims(self, name_dict):
 
     def _rename_indexes(self, name_dict, dims_set):
         if self._indexes is None:
-            return {}
+            return None
         indexes = {}
         for k, v in self.indexes.items():
             new_name = name_dict.get(k, k)