add str() to item.pk

notesapi/v1/models.py

@@ -48,7 +48,7 @@ class Note(models.Model):
         updated = self.updated.isoformat() if self.updated else None
 
         return {
-            'id': self.pk,
+            'id': str(self.pk),
             'user': self.user_id,
             'course_id': self.course_id,
             'usage_id': self.usage_id,

notesapi/v1/views.py

@@ -75,7 +75,7 @@ class AnnotationSearchView(APIView):
         for item in query:
             note_dict = item.get_stored_fields()
             note_dict['ranges'] = json.loads(item.ranges)
-            note_dict['id'] = item.pk
+            note_dict['id'] = str(item.pk)
             if params.get('highlight'):
                 note_dict['text'] = item.highlighted[0]
             results.append(note_dict)