workflow: fix formdata variable undefined in automatic workflow jump

wcs/wf/jump.py

@@ -54,7 +54,6 @@ class TriggerDirectory(Directory):
         user = get_user_from_api_query_string() or get_request().user
         if not user:
             raise errors.AccessForbiddenError()
-
         for item in self.wfstatus.items:
             if not isinstance(item, JumpWorkflowStatusItem):
                 continue
@@ -73,7 +72,7 @@ class TriggerDirectory(Directory):
                 elif url:
                     return redirect(url)
                 else:
-                    return redirect(formdata.get_url())
+                    return redirect(self.formdata.get_url())
         # no trigger found
         raise errors.TraversalError()