fix bug with draft edit if no substate set

 - Legacy-Id: 5567

Author: rpcross

ietf/secr/drafts/forms.py

@@ -147,7 +147,8 @@ def __init__(self, *args, **kwargs):
         self.fields['rev'].widget.attrs['size'] = 2
         self.fields['abstract'].widget.attrs['cols'] = 72
         self.initial['state'] = self.instance.get_state().pk
-        self.initial['iesg_state'] = self.instance.get_state('draft-iesg').pk
+        if self.instance.get_state('draft-iesg'):
+            self.initial['iesg_state'] = self.instance.get_state('draft-iesg').pk
         if self.instance.shepherd:
             self.initial['shepherd'] = "%s - (%s)" % (self.instance.shepherd.name, self.instance.shepherd.id)