print "Prepare [%5.2f s]" % (round(t2-t1,2))
sitelang = set()
for link in self._tree:
- sitelang = lang.union(set(link.languages()))
+ sitelang = sitelang.union(set(link.languages()))
t3 = time.time()
print "Language [%5.2f s]" % (round(t3-t2,2))
for link in self._tree: