BC: Add scenario support.

src/Model/Friction/Friction.py

@@ -30,7 +30,8 @@ logger = logging.getLogger()
 
 class Friction(SQLSubModel):
     def __init__(self, id: int = -1,
-                 status=None, owner_scenario=-1):
+                 status=None,
+                 owner_scenario=-1):
         super(Friction, self).__init__(
             id=id, status=status,
             owner_scenario=owner_scenario
@@ -149,7 +150,7 @@ class Friction(SQLSubModel):
         table = execute(
             "SELECT pamhyr_id, deleted, begin_rk, end_rk, " +
             "begin_strickler, end_strickler, scenario " +
-            f"FROM friction " +
+            "FROM friction " +
             f"WHERE reach = {reach.pamhyr_id} " +
             f"AND scenario = {scenario.id} " +
             f"AND pamhyr_id NOT IN ({', '.join(map(str, loaded))}) " +