import copy
from regidesk import models

from django import forms
from django.core.urlresolvers import reverse
import functools

from django import forms
from django.core.urlresolvers import reverse
from django.core.exceptions import ValidationError
from django.db.models import F, Q
from django.forms import widgets
from django.utils import timezone

from django_countries import countries
from django_countries.fields import LazyTypedChoiceField
from django_countries.widgets import CountrySelectWidget