if no report method defined, don't fail

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@7804 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Alarm.py

@@ -136,8 +136,10 @@ class Alarm(Periodicity, XMLObject):
       explain the problem. We don't do calculation at this time, it should
       be made by activeSense.
       """
-      method_id = self.getReportMethodId()
-      LOG('Alarm.report, method_id',0,method_id)
+      method_id = self.getReportMethodId(None)
+      #LOG('Alarm.report, method_id',0,method_id)
+      if method_id is None:
+          return ''
       method = getattr(self,method_id)
       process = self.getCurrentActiveProcess()
       if process is None: