Restore prior var assignment

Author: Evan Derickson

overpass/utils.py

@@ -8,8 +8,8 @@ class Utils(object):
 
     @staticmethod
     def to_overpass_id(osmid, area=False):
+        area_base = 2400000000
+        relation_base = 3600000000
         if area:
-            area_base = 2400000000
             return int(osmid) + area_base
-        relation_base = 3600000000
         return int(osmid) + relation_base