X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Frspecs%2Felements%2Fversions%2Fnitosv1PLTag.py;fp=sfa%2Frspecs%2Felements%2Fversions%2Fnitosv1PLTag.py;h=ea34ff4ec3e67a087c766879bdad10a2c1ff85a7;hb=d59f8e0b663b71d8c349017d0ecb37cb6bc527a1;hp=7d03fe068f2f6d8c166833a34219971a59e5c312;hpb=3159d2c474d80bf0fb52040a0105a44f49314436;p=sfa.git

diff --git a/sfa/rspecs/elements/versions/nitosv1PLTag.py b/sfa/rspecs/elements/versions/nitosv1PLTag.py
index 7d03fe06..ea34ff4e 100644
--- a/sfa/rspecs/elements/versions/nitosv1PLTag.py
+++ b/sfa/rspecs/elements/versions/nitosv1PLTag.py
@@ -9,7 +9,8 @@ class NITOSv1PLTag:
             pl_tag_elem.set_text(value)
               
     @staticmethod
-    def get_pl_tags(xml, ignore=[]):
+    def get_pl_tags(xml, ignore=None):
+        if ignore is None: ignore=[]
         pl_tags = []
         for elem in xml.iterchildren():
             if elem.tag not in ignore: