Pass PDF textbooks to template separately

cms/djangoapps/contentstore/views/course.py

@@ -674,7 +674,7 @@ def textbooks_list_handler(request, tag=None, course_id=None, branch=None, versi
         textbook_url = locator.url_reverse('/textbooks')
         return render_to_response('textbooks.html', {
             'context_course': course,
-            'course': course,
+            'textbooks': course.pdf_textbooks,
             'upload_asset_url': upload_asset_url,
             'textbook_url': textbook_url,
         })

cms/templates/textbooks.html

@@ -23,7 +23,7 @@ CMS.URL.TEXTBOOKS = "${textbook_url}"
 CMS.URL.LMS_BASE = "${settings.LMS_BASE}"
 require(["js/models/section", "js/collections/textbook", "js/views/list_textbooks"],
         function(Section, TextbookCollection, ListTextbooksView) {
-  var textbooks = new TextbookCollection(${json.dumps(course.pdf_textbooks)}, {parse: true});
+  var textbooks = new TextbookCollection(${json.dumps(textbooks)}, {parse: true});
   var tbView = new ListTextbooksView({collection: textbooks});
 
   $(function() {