--- /dev/null
+from django.db import models
+from django.db.models.signals import post_save
+
+import pybb.models
+
+from catalogue.models import Lesson
+
+
+class Topic(models.Model):
+ pybb_topic = models.OneToOneField(pybb.models.Topic, primary_key = True, related_name = 'edumed_topic')
+ lesson = models.ForeignKey(Lesson, null = True, blank = True, related_name = 'forum_topics')
+
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