.

physics/models.py

@@ -1,3 +1,4 @@
+from django.contrib.contenttypes.fields import GenericRelation
 from django.db import models
 from django.utils import timezone
 
@@ -11,7 +12,7 @@ from django.utils.translation import ugettext_lazy as _
 
 from sortedm2m.fields import SortedManyToManyField
 
-from generic.models import ExamBase
+from generic.models import ExamBase, QuestionNote
 
 import reversion
 
@@ -102,6 +103,8 @@ class Question(models.Model):
         Category, on_delete=models.SET_NULL, null=True, blank=True
     )
 
+    notes = GenericRelation(QuestionNote)
+
     def __str__(self):
         return self.stem