Fixed bug with election memory filter.

ccserver/election.py

@@ -217,7 +217,7 @@ class Elector(object):
     def _filter_enough_ram(self, vm, hvs):
         returned = []
         for hv in hvs:
-            if int(hv.get('memfree', 0)) >= int(self.vm.get('mem', 0)):
+            if int(hv.get('memfree', 0)) >= int(vm.get('mem', 0)):
                 returned.append(hv)
         return returned