if checks if attribute is none

diff --git a/sfa/rspecs/elements/versions/pgv2Link.py b/sfa/rspecs/elements/versions/pgv2Link.py
index 727afaf..cbe5861 100644 (file)
--- a/sfa/rspecs/elements/versions/pgv2Link.py
+++ b/sfa/rspecs/elements/versions/pgv2Link.py
@@ -21,7 +21,7 @@ class PGv2Link:
         for link in links:
             link_elem = etree.SubElement(root, 'link')
             for attrib in ['component_name', 'component_id', 'client_id']:
-                if attrib in link and link[attrib]:
+                if attrib in link and link[attrib] is not None:
                     link_elem.set(attrib, link[attrib])
             if 'component_manager' in link and link['component_manager']:
                 cm_element = etree.SubElement(link_elem, 'component_manager', name=link['component_manager'])