Clean junction and reservoir

api/s2_junctions.py

@@ -1,6 +1,5 @@
 from psycopg.rows import Row
 from .s0_base import *
-from .operation import *
 from .change_set import ChangeSet
 from .s24_coordinates import *
 import utility
@@ -79,6 +78,9 @@ def set_junction_demand(name: str, id: str, demand: float) -> ChangeSet:
 
 
 def set_junction_pattern(name: str, id: str, pattern: str) -> ChangeSet:
+    if not is_pattern(name, pattern):
+        return ChangeSet()
+
     return _set_junction(name, id, 'pattern', 'str', pattern, True)