Поменял проверку уроков

journals/models.py

@@ -414,15 +414,6 @@ class CourseThemeJ(models.Model):
             p.save()
         return p
 
-    def check_lessons(self):
-        """ Проверка уроков темы на статус. Если сдано - сдана тема"""
-        for lessonj in LessonJ.objects.filter(parent=self, student=self.student):
-            if lessonj.success == False:
-                return False
-
-        return True
-
-
     def save(self, *args, **kwargs):
         if not self.parent:
             self.parent = self.get_parent()
@@ -437,7 +428,10 @@ class CourseThemeJ(models.Model):
             elif actual_lesson != self.actual_lesson.id:
                 self.actual_lesson = Lesson.objects.get(id=self.make_actual_lesson())
 
-        if self.check_lessons():
+        if LessonJ.objects.filter(parent=self, student=self.student).exists():
+            if LessonJ.objects.filter(parent=self, student=self.student, success=False).exists():
+                self.success = False
+            else:
                 self.success = True
 
         if self.set_open: