Merge pull request #8325 from beardeer/master

Merge pull request #8325 from beardeer/edx-platform

AUTHORS

@@ -218,3 +218,4 @@ Andrew Dekker <simultech@gmail.com>
 Christopher Lee <clee@edx.org>
 Mushtaq Ali <mushtaque.ali@arbisoft.com>
 Colin Fredericks <colin.fredericks@gmail.com>
+Xiaolu Xiong <beardeer@gmail.com>

lms/djangoapps/courseware/model_data.py

@@ -544,7 +544,7 @@ class UserStateSummaryCache(DjangoOrmFieldCache):
         with them.
 
         Arguments:
-            fields (list of str): Field names to return values for
+            fields (list of :class:`~Field`): Fields to return values for
             xblocks (list of :class:`~XBlock`): XBlocks to load fields for
             aside_types (list of str): Asides to load field for (which annotate the supplied
                 xblocks).