X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Futil%2Fxrn.py;h=b16ea511d80692b268ddad8640bb6009860e0ce3;hb=d59f8e0b663b71d8c349017d0ecb37cb6bc527a1;hp=b0db4c1de5ef10df0e1d130c0e6ba4b437d389d5;hpb=3159d2c474d80bf0fb52040a0105a44f49314436;p=sfa.git

diff --git a/sfa/util/xrn.py b/sfa/util/xrn.py
index b0db4c1d..b16ea511 100644
--- a/sfa/util/xrn.py
+++ b/sfa/util/xrn.py
@@ -110,7 +110,8 @@ class Xrn:
         return Xrn.urn_meaningful(urn).split('+')
 
     @staticmethod
-    def filter_type(urns=[], type=None):
+    def filter_type(urns=None, type=None):
+        if urns is None: urns=[]
         urn_list = []
         if not type:
             return urns