fixing pandas warning

openego · Aug 21, 2024 · 962c9e3 · 962c9e3
1 parent 00d3d58
commit 962c9e3
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/edisgo/io/ding0_import.py b/edisgo/io/ding0_import.py
@@ -72,8 +72,12 @@ def sort_hvmv_transformer_buses(transformers_df):
     grid.import_from_csv_folder(path)
 
     # write dataframes to edisgo_obj
-    edisgo_obj.topology.buses_df = grid.buses[edisgo_obj.topology.buses_df.columns]
-    edisgo_obj.topology.lines_df = grid.lines[edisgo_obj.topology.lines_df.columns]
+    edisgo_obj.topology.buses_df = grid.buses[
+        edisgo_obj.topology.buses_df.columns
+    ].copy()
+    edisgo_obj.topology.lines_df = grid.lines[
+        edisgo_obj.topology.lines_df.columns
+    ].copy()
     if legacy_ding0_grids:
         logger.debug("Use ding0 legacy grid import.")
         # rename column peak_load to p_set