prevent a UnicodeDecodeError in find_all - fixes issue #12

configdb/db/interface/leveldb_interface.py

@@ -69,8 +69,8 @@ class LevelDbInterface(base.DbInterface):
             return None
 
     def _find_all(self, entity_name):
-        cursor = self.db.RangeIter('%s:' % entity_name,
-                                   '%s:\xff' % entity_name)
+        cursor = self.db.RangeIter(u'%s:' % entity_name,
+                                   u'%s:\xff' % entity_name)
         for key, serialized_data in cursor:
             yield self._deserialize(serialized_data)