Merge pull request #1691 from MITx/feature/cale/fix-metadata-inheritance

Feature/cale/fix metadata inheritance

common/lib/xmodule/xmodule/modulestore/mongo.py

@@ -303,6 +303,7 @@ class MongoModuleStore(ModuleStoreBase):
                     # this is likely a leaf node, so let's record what metadata we need to inherit
                     metadata_to_inherit[child] = my_metadata
 
+
         if root is not None:
             _compute_inherited_metadata(root)
 
@@ -387,11 +388,6 @@ class MongoModuleStore(ModuleStoreBase):
 
         resource_fs = OSFS(root)
 
-        metadata_inheritance_tree = None
-
-        # if we are loading a course object, there is no parent to inherit the metadata from
-        # so don't bother getting it
-        if item['location']['category'] != 'course':
         metadata_inheritance_tree = self.get_cached_metadata_inheritance_tree(Location(item['location']))
 
         # TODO (cdodge): When the 'split module store' work has been completed, we should remove

lms/djangoapps/courseware/grades.py

@@ -159,6 +159,7 @@ def grade(student, request, course, model_data_cache=None, keep_raw_scores=False
             # If we haven't seen a single problem in the section, we don't have to grade it at all! We can assume 0%
             for moduledescriptor in section['xmoduledescriptors']:
                 # Create a fake key to pull out a StudentModule object from the ModelDataCache
+
                 key = LmsKeyValueStore.Key(
                     Scope.student_state,
                     student.id,