Code refactoring.

TNL-836

openassessment/xblock/openassessmentblock.py

@@ -207,9 +207,12 @@ class OpenAssessmentBlock(
 
     def get_anonymous_user_id(self, username, course_id):
         """
+        Get the anonymous user id from Xblock user service.
+
         Args:
-            username: user's name entered by staff to get info.
-            course_id: course id.
+            username(str): user's name entered by staff to get info.
+            course_id(str): course id.
+
         Returns:
             A unique id for (user, course) pair
         """
@@ -220,6 +223,8 @@ class OpenAssessmentBlock(
 
         See also: submissions.api for details.
 
+        Args:
+            anonymous_user_id(str):
         Returns:
             (dict): The student item associated with this XBlock instance. This
                 includes the student id, item id, and course id.

openassessment/xblock/staff_info_mixin.py

@@ -194,11 +194,11 @@ class StaffInfoMixin(object):
 
     @XBlock.handler
     @require_course_staff("STUDENT_INFO")
-    def render_student_info(self, data, suffix=''): # pylint: disable=W0613
+    def render_student_info(self, data, suffix=''):  # pylint: disable=W0613
         """
         Renders all relative information for a specific student's workflow.
 
-        Given a student's ID, we can render a staff-only section of the page
+        Given a student's username, we can render a staff-only section of the page
         with submissions and assessments specific to the student.
 
         Must be course staff to render this view.