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 9393,Overridden inherited model fields being duplicated in forms,terpsquared,nobody,"Likely related to (but distinct from) #9392, and possibly #9371. Given an inherited model of the form: {{{ from django.db import models from django.contrib.auth.models import User, UserManager from django.utils.translation import ugettext_lazy as _ from datetime import datetime class Customuser(User): username = models.CharField(_('customer id'), max_length=30, unique=True, help_text=_(""Required. 30 characters or fewer. Alphanumeric characters only (letters, digits and underscores)."")) email_id = models.EmailField(_('e-mail address'), blank=True, null=True, unique=True, db_index=True) def __unicode__(self): return u'%s' % self.username # Use UserManager to get the create_user method, etc. objects = UserManager() }}} A form specifying the inherited field ""username"" will display the username field twice during output. For example, {{{ from django import forms from django.forms import ModelForm class CustomForm1(ModelForm): class Meta: model = Customuser fields = ('username') }}} will result in the following html output from the form: {{{