Added guards against asking for properties on None in a couple of places.

- Legacy-Id: 15173

ietf/doc/views_draft.py

@@ -954,7 +954,7 @@ def edit_shepherd(request, name):
                 events = []
 
                 doc.shepherd = form.cleaned_data['shepherd']
-                if not doc.shepherd.origin:
+                if doc.shepherd and not doc.shepherd.origin:
                     doc.shepherd.origin = 'shepherd: %s' % doc.name
                     doc.shepherd.save()
 

ietf/secr/drafts/forms.py

@@ -180,7 +180,7 @@ class EditModelForm(forms.ModelForm):
 
         if 'shepherd' in self.changed_data:
             email = self.cleaned_data.get('shepherd')
-            if not email.origin:
+            if email and not email.origin:
                 email.origin = 'shepherd: %s' % m.name
                 email.save()