Fix resolve_lessons_for_persons handler

aleksis/apps/alsijil/schema/__init__.py

@@ -164,8 +164,10 @@ class Query(graphene.ObjectType):
             )
 
             lessons_for_person.append(
-                id=person,
-                lessons=docs + dummies
+                LessonsForPersonType(
+                    id=person,
+                    lessons=docs + dummies
+                )
             )
 
         return lessons_for_person