id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 18906,BaseModelFormSet.validate_unique should ignore forms marked for deletion,c.pollock@…,nobody,"is_valid() returns false for a formset where uniquness is violated even if one of the forms where the violation occurs has DELETE set to true in cleaned data so maybe line 521 in django/forms/models.py which is currently if not hasattr(form, ""cleaned_data""): continue should read something like, so it will ignore forms that are getting deleted anyway if not hasattr(form, ""cleaned_data"") or form.cleaned_data.get('DELETE', True): continue unless of course I have completely missed the point Cheers Charlie",Bug,closed,Forms,1.4,Normal,fixed,,,Accepted,1,0,0,0,0,0