fix: another PyPSA v1 adjustment (#122)

* fix: another PyPSA v1 adjustment

* fix: wrap with v1 handler

Author: lkstrp

scripts/add_electricity.py

@@ -73,6 +73,9 @@
 
 logger = logging.getLogger(__name__)
 
+if PYPSA_V1:
+    pypsa.options.params.add.return_names = True
+
 
 def normed(s: pd.Series) -> pd.Series:
     """