diff --git a/scripts/prepare_sector_network.py b/scripts/prepare_sector_network.py
index 18d1feb0..5d5e271b 100755
--- a/scripts/prepare_sector_network.py
+++ b/scripts/prepare_sector_network.py
@@ -3090,7 +3090,6 @@ def add_industry(n, costs):
         )
 
 
-
 def add_waste_heat(n):
     # TODO options?