changes proposed by Aaron Helsinger and GENI

[sfa.git] / sfa / util / storage.py

diff --git a/sfa/util/storage.py b/sfa/util/storage.py
index ee2e41b..89a2509 100644 (file)
--- a/sfa/util/storage.py
+++ b/sfa/util/storage.py
@@ -1,5 +1,6 @@
 import os
 from sfa.util.xml import XML
+
 class SimpleStorage(dict):
     """
     Handles storing and loading python dictionaries. The storage file created
@@ -8,8 +9,8 @@ class SimpleStorage(dict):
     db_filename = None
     type = 'dict'
     
-    def __init__(self, db_filename, db = {}):
-
+    def __init__(self, db_filename, db = None):
+        if db is None: db={}
         dict.__init__(self, db)
         self.db_filename = db_filename