Added a guard against missing conflrev state in iesg agenda code.

 - Legacy-Id: 16877

Author: levkowetz

ietf/iesg/agenda.py

@@ -82,7 +82,7 @@ def get_doc_section(doc):
             s += ".1"
 
     elif doc.type_id == 'conflrev':
-        if doc.get_state('conflrev').slug not in ('adrev','iesgeval','appr-reqnopub-pend','appr-reqnopub-sent','appr-noprob-pend','appr-noprob-sent','defer'):
+        if not doc.get_state('conflrev') or doc.get_state('conflrev').slug not in ('adrev','iesgeval','appr-reqnopub-pend','appr-reqnopub-sent','appr-noprob-pend','appr-noprob-sent','defer'):
              s = "3.4.3"
         elif doc.returning_item():
              s = "3.4.2"