diff --git a/tjnetwork.py b/tjnetwork.py
index 2c1cfb7..8f150ed 100644
--- a/tjnetwork.py
+++ b/tjnetwork.py
@@ -1032,7 +1032,6 @@ def delete_region(name: str, cs: ChangeSet) -> ChangeSet:
 # water_distribution 34
 ############################################################
 
-
 def calculate_demand_to_nodes(name: str, demand: float, nodes: list[str]) -> dict[str, float]:
     return api.calculate_demand_to_nodes(name, demand, nodes)