fix bug: AttributeError: 'str' object has no attribute 'json_value'

Description

This error happens when we try to generate learner's grade after PersisiteGrade feature is enabled.
brl.hash_value is 'str' type. It is supposed to be BlockRecordList object.

Assignee

David Ormsbee

Reporter

Open Source Pull Request Bot

Contributor Name

Aaron Zhao

Repo

edx/edx-platform

Customer

Epic Link

None

OSCM Assignee

None

Platform Map Area (Levels 1 & 2)

None

Platform Map Area (Levels 3 & 4)

None

Blended Hour Utilization Percentage

None

Priority

Unset
Configure