diff -r c81cacab10af -r d9642be7c937 src/hdalab/management/commands/query_dbpedia.py
--- a/src/hdalab/management/commands/query_dbpedia.py	Fri Mar 20 01:16:43 2015 +0100
+++ b/src/hdalab/management/commands/query_dbpedia.py	Fri Mar 20 01:42:45 2015 +0100
@@ -152,7 +152,7 @@
                 abstracts = {}
                 labels = {}
                 thumbnail = None
-                with transaction.commit_on_success():
+                with transaction.atomic():
                     res_abstracts = self.query_dbpedia("select distinct ?y where {<%s>  <http://dbpedia.org/ontology/abstract> ?y}" % (tag.dbpedia_uri), 'n3')
                     for _,_,o in res_abstracts.triples((None, URIRef('http://www.w3.org/2005/sparql-results#value'), None)):
                         abstracts[o.language] = (unicode(o), True)