diff --git a/cms/djangoapps/contentstore/views/tests/test_tabs.py b/cms/djangoapps/contentstore/views/tests/test_tabs.py
index c9d930a1cd..921e9564ab 100644
--- a/cms/djangoapps/contentstore/views/tests/test_tabs.py
+++ b/cms/djangoapps/contentstore/views/tests/test_tabs.py
@@ -71,7 +71,7 @@ class TabsPageTests(CourseTestCase):
 
         resp = self.client.get_html(self.url)
         self.assertEqual(resp.status_code, 200)
-        self.assertIn('course-nav-list', resp.content)
+        self.assertIn('course-nav-list', resp.content.decode('utf-8'))
 
     def test_reorder_tabs(self):
         """Test re-ordering of tabs"""
diff --git a/common/lib/xmodule/xmodule/tabs.py b/common/lib/xmodule/xmodule/tabs.py
index 253e6d640b..18f9166dd0 100644
--- a/common/lib/xmodule/xmodule/tabs.py
+++ b/common/lib/xmodule/xmodule/tabs.py
@@ -172,6 +172,10 @@ class CourseTab(six.with_metaclass(ABCMeta, object)):
         """
         return not self == other
 
+    def __hash__(self):
+        """ Return a hash representation of Tab Object. """
+        return hash(repr(self))
+
     @classmethod
     def validate(cls, tab_dict, raise_error=True):
         """
@@ -294,6 +298,10 @@ class TabFragmentViewMixin(object):
         """
         return self.fragment_view.render_to_fragment(request, course_id=six.text_type(course.id), **kwargs)
 
+    def __hash__(self):
+        """ Return a hash representation of Tab Object. """
+        return hash(repr(self))
+
 
 class StaticTab(CourseTab):
     """
@@ -359,6 +367,10 @@ class StaticTab(CourseTab):
             return False
         return self.url_slug == other.get('url_slug')
 
+    def __hash__(self):
+        """ Return a hash representation of Tab Object. """
+        return hash(repr(self))
+
 
 class CourseTabList(List):
     """