diff --git a/entities.py b/entities.py
index 3fc27320dabec0ca30b01995ea1612f62ff405e7_ZW50aXRpZXMucHk=..f1010c58ee2b9192ae5f16e71830ac8468502a80_ZW50aXRpZXMucHk= 100644
--- a/entities.py
+++ b/entities.py
@@ -60,7 +60,7 @@
 class CommentFullThreadText(CommentFullTextView):
     """display a comment and its parents"""
     id = 'fullthreadtext'
-    
+
     def cell_call(self, row, col):
         e = self.entity(row, col)
         strings = []
@@ -81,7 +81,7 @@
     """same as fullthreadtext, but going from top level object to leaf comments
     """
     id = 'fullthreadtext_descending'
-    
+
     def cell_call(self, row, col, indentlevel=0):
         e = self.entity(row, col)
         self.w(e.view('fulltext', indentlevel=indentlevel).strip() + '\n')
diff --git a/views.py b/views.py
index 3fc27320dabec0ca30b01995ea1612f62ff405e7_dmlld3MucHk=..f1010c58ee2b9192ae5f16e71830ac8468502a80_dmlld3MucHk= 100644
--- a/views.py
+++ b/views.py
@@ -37,7 +37,7 @@
 
 class CommentPrimaryView(baseviews.PrimaryView):
     __select__ = implements('Comment')
-    
+
     def cell_call(self, row, col):
         self.req.add_css('cubes.comment.css')
         entity = self.complete_entity(row, col)
@@ -66,7 +66,7 @@
             self.w(u'<div class="commentBottom">%s</div>\n' % txt)
         self.w(u'</div>\n')
 
-    
+
 
 class CommentSecondaryView(baseviews.SecondaryView):
     __select__ = implements('Comment')
@@ -70,7 +70,7 @@
 
 class CommentSecondaryView(baseviews.SecondaryView):
     __select__ = implements('Comment')
-    
+
     def cell_call(self, row, col, **kwargs):
         entity = self.entity(row, col)
         root = entity.root()
@@ -91,7 +91,7 @@
 class CommentTreeItemView(baseviews.ListItemView):
     id = 'treeitem'
     __select__ = implements('Comment')
-    
+
     def cell_call(self, row, col, **kwargs):
         _ = self.req._
         self.req.add_js('cubicweb.ajax.js')
@@ -117,7 +117,7 @@
         text = entity.printable_value('content')
         if not kwargs.get('full'):
             maxsize = self.req.property_value('navigation.short-line-size')
-            text = safe_cut(text, maxsize)	 
+            text = safe_cut(text, maxsize)
         self.w(u'<div class="commentInfo">')
         self.w(self.format_date(entity.creation_date))
         if entity.creator:
@@ -134,7 +134,7 @@
     """a recursive tree view"""
     __select__ = implements('Comment')
     title = _('thread view')
-        
+
     def open_item(self, entity):
         self.w(u'<li id="comment%s" class="comment">\n' % entity.eid)
 
@@ -148,8 +148,8 @@
     def cell_call(self, row, col):
         entity = self.entity(row, col)
         self.wview('inlinecommentform', None, commented=entity)
-        
+
 
 class InlineCommentForm(FormViewMixIn, EntityView):
     id = 'inlinecommentform'
     __select__ = match_kwargs('commented') # explicit call when it makes sense
@@ -152,10 +152,10 @@
 
 class InlineCommentForm(FormViewMixIn, EntityView):
     id = 'inlinecommentform'
     __select__ = match_kwargs('commented') # explicit call when it makes sense
-    
+
     def call(self, commented):
         self.initialize_varmaker()
         newcomment = self.vreg.etype_class('Comment')(self.req)
         newcomment.eid = self.varmaker.next()
         self.comment_form(commented, newcomment)
@@ -157,9 +157,9 @@
     def call(self, commented):
         self.initialize_varmaker()
         newcomment = self.vreg.etype_class('Comment')(self.req)
         newcomment.eid = self.varmaker.next()
         self.comment_form(commented, newcomment)
-        
+
     def comment_form(self, commented, newcomment=None):
         self.req.add_js('cubes.comment.js')
         if newcomment is None:
@@ -180,7 +180,7 @@
 class InlineEditCommentForm(InlineCommentForm):
     id = 'editcomment'
     __select__ = implements('Comment')
-    
+
     def cell_call(self, row, col):
         self.comment_form(self.entity(row, col))
 
@@ -184,7 +184,7 @@
     def cell_call(self, row, col):
         self.comment_form(self.entity(row, col))
 
-    
+
 # comment component ###########################################################
 
 class CommentSectionVComponent(EntityVComponent):
@@ -209,7 +209,7 @@
             if req.use_fckeditor() and req.property_value('ui.default-text-format') == 'text/html':
                 req.fckeditor_config()
         else:
-            reply = u''        
+            reply = u''
         if orderby == 'author':
             rql = u'Any C,CD,CC,CCF,U,UL,US,UF ORDERBY UL WHERE C is Comment, '\
                   'C comments X, C creation_date CD, C content CC, C content_format CCF, ' \
@@ -243,7 +243,7 @@
     etype = 'Comment'
     rtype = 'comments'
     target = 'subject'
-    
+
     title = _('reply to this comment')
     category = 'hidden'
     order = 111
@@ -266,7 +266,7 @@
     etype = 'Comment'
     rtype = 'comments'
     role = 'object'
-    
+
     title = _('add comment')
     category = 'hidden'
     order = 111
@@ -275,7 +275,7 @@
 class EditCommentAction(Action):
     id = 'edit_comment'
     __select__ = one_line_rset() & implements('Comment') & has_permission('update')
-    
+
     title = _('edit comment')
     category = 'hidden'
     order = 110