Do not allow 00 revisions if we are in first cut off. Fixes ietf-tools#580

 - Legacy-Id: 2838

Author: emiliosanchez

ietf/submit/forms.py

@@ -129,6 +129,8 @@ def clean(self):
             self.get_draft()
             self.group=self.get_working_group()
             self.check_previous_submission()
+        if self.draft.revision == '00' and self.in_first_cut_off:
+            raise forms.ValidationError(mark_safe(self.cutoff_warning))
         self.check_tresholds()
         return super(UploadForm, self).clean()