Copy indexers dict in reporting…AttrSeries.sel

iiasa · Jul 15, 2020 · caf9632 · caf9632
1 parent 653d2a2
commit caf9632
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ixmp/reporting/attrseries.py b/ixmp/reporting/attrseries.py
@@ -96,7 +96,7 @@ def rename(self, new_name_or_name_dict):
 
     def sel(self, indexers=None, drop=False, **indexers_kwargs):
         """Like :meth:`xarray.DataArray.sel`."""
-        indexers = indexers or {}
+        indexers = indexers.copy() if indexers else {}
         indexers.update(indexers_kwargs)
         if len(indexers) == 1:
             level, key = list(indexers.items())[0]