diff --git a/api/s2_junctions.py b/api/s2_junctions.py
index a4a37db..c8be1c1 100644
--- a/api/s2_junctions.py
+++ b/api/s2_junctions.py
@@ -55,7 +55,7 @@ def delete_junction(name: str, id: str) -> ChangeSet:
         redo = sql.replace("'", '"')
         undo = f'insert into _node (id, type) values ("{id}", "JUNCTION");'
         undo += f' insert into junctions (id, elevation, demand, pattern) values ("{id}", {elevation}, {demand}, {pattern});'
-        undo += f'  insert into coordinates (node, coord) values ("{id}", "{coord}");'
+        undo += f' insert into coordinates (node, coord) values ("{id}", "{coord}");'
         add_operation(name, redo, undo)
 
     change = ChangeSet()
diff --git a/tjnetwork.py b/tjnetwork.py
index ed263be..9e24106 100644
--- a/tjnetwork.py
+++ b/tjnetwork.py
@@ -77,6 +77,7 @@ def commit_transaction(name: str) -> None:
 def abort_transaction(name: str) -> None:
     return api.abort_transaction(name)
 
+
 ############################################################
 # type
 ############################################################