Merge branch 'geni-v3' of ssh://git.onelab.eu/git/sfa into geni-v3

[sfa.git] / sfa / rspecs / elements / versions / sfav1Sliver.py

diff --git a/sfa/rspecs/elements/versions/sfav1Sliver.py b/sfa/rspecs/elements/versions/sfav1Sliver.py
index 851d11c..7e9282f 100644 (file)
--- a/sfa/rspecs/elements/versions/sfav1Sliver.py
+++ b/sfa/rspecs/elements/versions/sfav1Sliver.py
@@ -5,7 +5,6 @@ from sfa.rspecs.elements.element import Element
 from sfa.rspecs.elements.sliver import Sliver
 from sfa.rspecs.elements.versions.sfav1PLTag import SFAv1PLTag
 
-from sfa.planetlab.plxrn import PlXrn
 
 class SFAv1Sliver:
 
@@ -40,7 +39,8 @@ class SFAv1Sliver:
         return attribs 
                 
     @staticmethod
-    def get_slivers(xml, filter={}):
+    def get_slivers(xml, filter=None):
+        if filter is None: filter={}
         xpath = './default:sliver | ./sliver'
         sliver_elems = xml.xpath(xpath)
         slivers = []