formdata: fix substitution variables when workflow_roles is None (#6058)

2014-12-03 20:36:22 +01:00 · 2014-12-03 20:36:22 +01:00 · 4ee347afc5
parent e89377a842
commit 4ee347afc5
1 changed files with 3 additions and 1 deletions
--- a/wcs/formdata.py
+++ b/wcs/formdata.py
@ -363,7 +363,9 @@ class FormData(StorableObject):
        # include substitution variables for workflow roles; this will
        # typically give variables such as form_role_receiver_name and
        # form_role_receiver_emails.
-        workflow_roles = self.formdef.workflow_roles.copy()
+        workflow_roles = {}
+        if self.formdef.workflow_roles:
+            workflow_roles.update(self.formdef.workflow_roles)
        if self.workflow_roles:
            workflow_roles.update(self.workflow_roles)