Fix Course representation on save

api/v1/serializers/course.py

@@ -139,6 +139,9 @@ class CourseCreateSerializer(DispatchContentMixin,
         self.dispatch_gallery(course, gallery)
         return course
 
+        def to_representation(self, instance):
+            return CourseSerializer(obj, context=self.context).to_representation(obj)
+
 
 class CourseSerializer(CourseCreateSerializer):
     category = CategorySerializer()