X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Frspecs%2Felements%2Fversions%2Fiotlabv1Node.py;h=49f7cfd25bf1b3af20865b8a7a217fb60d78af7f;hb=4a2337e7f70cef81a8de37829aa63fc941c4b96e;hp=af6fe2a4bd57903bbc924f9bc3777c6a8b2e833a;hpb=fae309c53ba7e65f1b51047d8c8fbb7a10477713;p=sfa.git

diff --git a/sfa/rspecs/elements/versions/iotlabv1Node.py b/sfa/rspecs/elements/versions/iotlabv1Node.py
index af6fe2a4..49f7cfd2 100644
--- a/sfa/rspecs/elements/versions/iotlabv1Node.py
+++ b/sfa/rspecs/elements/versions/iotlabv1Node.py
@@ -160,14 +160,16 @@ class Iotlabv1Node:
         return node_elems
 
     @staticmethod
-    def get_nodes(xml, filter={}):
+    def get_nodes(xml, filter=None):
+        if filter is None: filter={}
         xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), \
                                                     XpathFilter.xpath(filter))
         node_elems = xml.xpath(xpath)
         return Iotlabv1Node.get_node_objs(node_elems)
 
     @staticmethod
-    def get_nodes_with_slivers(xml, sliver_filter={}):
+    def get_nodes_with_slivers(xml, sliver_filter=None):
+        if sliver_filter is None: sliver_filter={}
 
         xpath = '//node[count(sliver)>0] | \
                                 //default:node[count(default:sliver) > 0]'