From 025c5df16e5c9c210a9eb74331f69f9a34d5e433 Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Mon, 1 Apr 2013 21:49:11 +0000
Subject: [PATCH] fix IntegrityError duplicate entry issue with module_data
 Scope.student_state update

---
 lms/djangoapps/courseware/model_data.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lms/djangoapps/courseware/model_data.py b/lms/djangoapps/courseware/model_data.py
index b725f64308..e5c8eec216 100644
--- a/lms/djangoapps/courseware/model_data.py
+++ b/lms/djangoapps/courseware/model_data.py
@@ -241,9 +241,10 @@ class ModelDataCache(object):
             field_object, _ = StudentModule.objects.get_or_create(
                 course_id=self.course_id,
                 student=self.user,
-                module_type=key.block_scope_id.category,
                 module_state_key=key.block_scope_id.url(),
-                defaults={'state': json.dumps({})},
+                defaults={'state': json.dumps({}),
+                          'module_type': key.block_scope_id.category,
+                         },
             )
         elif key.scope == Scope.content:
             field_object, _ = XModuleContentField.objects.get_or_create(