Remove debug statement, fix active page issue on problem page

lms/djangoapps/courseware/tabs.py

@@ -120,8 +120,6 @@ def _peer_grading(tab, user, course, active_page):
         img_path= ""
         try:
             notifications = json.loads(peer_gs.get_notifications(course.id,unique_id_for_user(user)))
-            log.debug(notifications)
-
             if notifications['success']:
                 if notifications['student_needs_to_peer_grade']:
                     pending_grading=True

lms/templates/peer_grading/peer_grading_problem.html

@@ -9,7 +9,7 @@
 
 <%block name="title"><title>${course.number} Peer Grading.</title></%block>
 
-<%include file="/courseware/course_navigation.html" args="active_page='staff_grading'" />
+<%include file="/courseware/course_navigation.html" args="active_page='peer_grading'" />
 
 <%block name="js_extra">
   <%static:js group='peer_grading'/>