Fix?

lms/templates/courseware/info.html

@@ -112,13 +112,14 @@ from openedx.core.djangolib.markup import HTML, Text
       </div>
   </div>
 </main>
-% if course._deprecated_per_instance_field_data._kvs._fields.get('enable_rocket_chat', None)
 <script>
-  var full_url = window.location.protocol + '//' + window.location.host + '/courses/${course_id}/chat';
-  tab_list = document.querySelector('.course-tabs');
-  tab_list.innerHTML = tab_list.innerHTML + '<li class="tab"><a href="' + full_url + '">Chat</a></li>';
+  var on = "${course._deprecated_per_instance_field_data._kvs._fields.get('enable_rocket_chat', False)}"
+  if(on=="True"){
+    var full_url = window.location.protocol + '//' + window.location.host + '/courses/${course_id}/chat';
+    tab_list = document.querySelector('.course-tabs');
+    tab_list.innerHTML = tab_list.innerHTML + '<li class="tab"><a href="' + full_url + '">Chat</a></li>';
+  }
 </script>
-% endif
 
 <%static:require_module_async module_name="js/dateutil_factory" class_name="DateUtilFactory">
     DateUtilFactory.transform(iterationKey=".localized-datetime");