--- a/src/browser/sat_browser/richtext.py	Sun Mar 20 22:30:03 2016 +0100
+++ b/src/browser/sat_browser/richtext.py	Tue Mar 22 22:45:39 2016 +0100
@@ -21,7 +21,7 @@
 from sat.core.i18n import _
 from sat.core.log import getLogger
 log = getLogger(__name__)
-from sat.tools import common
+from sat.tools.common import data_format
 
 from pyjamas.ui.TextArea import TextArea
 from pyjamas.ui.Button import Button
@@ -265,7 +265,7 @@
         if hasattr(self, 'title_panel'):
             content.update({'title': self.strproc(self.title_panel.getText())})
         if hasattr(self, 'tags_panel'):
-            common.iter2dict('tag', self.tags_panel.getTags(), content)
+            data_format.iter2dict('tag', self.tags_panel.getTags(), content)
         return content
 
     def edit(self, edit=False, abort=False, sync=False):
@@ -302,7 +302,7 @@
                         self.title_panel.setStackVisible(0, content['title'] != '')
 
                     if hasattr(self, 'tags_panel'):
-                        tags = list(common.dict2iter('tag', content))
+                        tags = list(data_format.dict2iter('tag', content))
                         self.tags_panel.setTags(tags)
                         self.tags_panel.setStackVisible(0, len(tags) > 0)
 
@@ -328,7 +328,7 @@
             title = ""
 
         tags = ""
-        for tag in common.dict2iter('tag', content):
+        for tag in data_format.dict2iter('tag', content):
             tags += "<li><a>%s</a></li>" % html_tools.html_sanitize(tag)
         if tags:
             tags = '<ul class="mblog_tags">%s</ul>' % tags