Update automaton to fix xrange.

modules/harvest_tools/automaton.py

@@ -352,7 +352,7 @@ class Automaton(object):
                 rex = year_end
 
             elif year_start and year_end:
-                li = [str(el) for el in xrange(year_start, year_end + 1)]
+                li = [str(el) for el in range(year_start, year_end + 1)]
                 rex = "|".join(li)
 
             dic = dict(cc=collection,  # collection