diff --git a/scripts/add_existing_baseyear.py b/scripts/add_existing_baseyear.py
index 668fab67..ab7d2cb6 100644
--- a/scripts/add_existing_baseyear.py
+++ b/scripts/add_existing_baseyear.py
@@ -605,7 +605,7 @@ if __name__ == "__main__":
 
         snakemake = mock_snakemake(
             "add_existing_baseyear",
-            configfiles="config/test/config.myopic.yaml",                        
+            configfiles="config/test/config.myopic.yaml",
             simpl="",
             clusters="5",
             ll="v1.5",