diff --git a/plone/app/discussion/browser/comments.py b/plone/app/discussion/browser/comments.py
index 6fd0870..eff5eb3 100644
--- a/plone/app/discussion/browser/comments.py
+++ b/plone/app/discussion/browser/comments.py
@@ -1,3 +1,5 @@
+from datetime import datetime
+
 from zope.interface import implements
 from zope.component import getMultiAdapter
 from zope.viewlet.interfaces import IViewlet
@@ -36,6 +38,12 @@ class CommentsViewlet(BrowserView):
         conversation = conversationAdapterFactory(self.context)
         return conversation.items()
 
+    def format_time(self, time):
+        # TODO: to localized time not working!!!
+        #util = getToolByName(self.context, 'translation_service')
+        #return util.ulocalized_time(time, 1, self.context, domain='plonelocales')
+        return time
+
 class AddComment(BrowserView):
     """Add a comment to a conversation
     """