X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Frspecs%2Felements%2Fversions%2Fpgv2SliverType.py;fp=sfa%2Frspecs%2Felements%2Fversions%2Fpgv2SliverType.py;h=3ad687f87e4f8a3663828046641925f61f8a9b81;hb=d59f8e0b663b71d8c349017d0ecb37cb6bc527a1;hp=1f3ec0c7dee3ac0c15a51a6f109786721e75ff60;hpb=3159d2c474d80bf0fb52040a0105a44f49314436;p=sfa.git

diff --git a/sfa/rspecs/elements/versions/pgv2SliverType.py b/sfa/rspecs/elements/versions/pgv2SliverType.py
index 1f3ec0c7..3ad687f8 100644
--- a/sfa/rspecs/elements/versions/pgv2SliverType.py
+++ b/sfa/rspecs/elements/versions/pgv2SliverType.py
@@ -40,7 +40,8 @@ class PGv2SliverType:
                     for (key, value) in attrib_dict.items():
                         attrib_elem.set(key, value)                
     @staticmethod
-    def get_slivers(xml, filter={}):
+    def get_slivers(xml, filter=None):
+        if filter is None: filter={}
         xpath = './default:sliver_type | ./sliver_type'
         sliver_elems = xml.xpath(xpath)
         slivers = []
@@ -56,5 +57,6 @@ class PGv2SliverType:
         return slivers
 
     @staticmethod
-    def get_sliver_attributes(xml, filter={}):
+    def get_sliver_attributes(xml, filter=None):
+        if filter is None: filter={}
         return []