gistfile1.py

#coding: utf-8
from django import forms
from django.contrib.auth.models import User
from .models import PerfilUsuario

class UserForm(forms.ModelForm):
	first_name = forms.CharField(label='Nome')
	last_name = forms.CharField(label='Sobrenome')
	username = forms.CharField(label='Nome de usuário')
	email = forms.EmailField(label='E-mail')
	password = forms.CharField(label='Senha', widget=forms.PasswordInput())

	class Meta:
		model = User
		fields = ('first_name', 'last_name', 'username', 'email', 'password', 'is_active')

class PerfilUsuarioForm(forms.ModelForm):
	class Meta:
		model = PerfilUsuario
		exclude = ('user')

class UserForm(forms.ModelForm):
    first_name = forms.CharField(label='Nome')
    last_name = forms.CharField(label='Sobrenome')
    username = forms.CharField(label='Nome de usuário')
    email = forms.EmailField(label='E-mail')
    password = forms.CharField(label='Senha', widget=forms.PasswordInput())
        def  __init__(self, *args, **kwargs):
             super(UserForm, self).__init__(*args, **kwargs)
             self.fields['user_permissions'].queryset = self.fields['user_permissions'].filter(seufiltro=aqui)

    class Meta:
        model = User
        fields = ('first_name', 'last_name', 'username', 'email', 'password', 'is_active')