Update : adapt to change from email_template from openobject-server

other def_body_html and def_body_text to change to body_html and body_text

marketing_campaign_tracker.py

@@ -49,7 +49,7 @@
             # here we need to use tracker so let's do it
             tracker_base = context.get('tracker_base')
             text = template.body_text
-            template.def_body_text, tracks = insert_tracker_in_text(
+            template.body_text, tracks = insert_tracker_in_text(
                 text, tracker_base, context['activity_id'])
 
             trackitem = self.pool.get('marketing_campaign_tracker.trackitem')
@@ -59,7 +59,7 @@
                 trackitem.create(cursor, user, trackvalues, context=None)
 
             html = template.body_html
-            template.def_body_html, tracks = insert_tracker_in_html(
+            template.body_html, tracks = insert_tracker_in_html(
                 html, tracker_base, context['activity_id'])
 
             for trackvalues in tracks: