verifying existance of org tree before building union tree

git-svn-id: svn://svn.open-ils.org/ILS/branches/acq-experiment@8603 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/python/oils/org.py b/Open-ILS/src/python/oils/org.py
index e54af88..7df28e6 100644 (file)
--- a/Open-ILS/src/python/oils/org.py
+++ b/Open-ILS/src/python/oils/org.py
@@ -100,6 +100,7 @@ class OrgUtil(object):
     def get_union_tree(org_list):
         ''' Returns the smallest org tree which encompases all of the orgs in org_list '''
 
+        OrgUtil._verify_tree()
         if len(org_list) == 0:
             return None
         main_tree = OrgUtil.get_related_tree(OrgUtil.get_org_unit(org_list[0]))