PEP8 fixes

src/Model/Study.py

@@ -546,7 +546,8 @@ class Study(SQLModel):
         self.status.scenario = scenario
 
         if reduce(
-                lambda a, s: a or (s.parent is scenario and not s.is_deleted()),
+                lambda a, s: a or (s.parent is scenario
+                                   and not s.is_deleted()),
                 self.scenarios.lst,
                 False
         ):