Как задать роль пользователю при регистрации в django?

Я асобираюсь создать чат между учителем и учеником. При регистрации у них должно быть возможность задать себе роль Teacher или Learner Как это создать? Пожалуисто поделитесь своим мнением со мной.
Я пытался что-то сделать , но я получаю ошибки

# views

def register(request):

	registered = False

	if request.method == "POST":
		user_form = RegistrationForm( request.POST)
		profile_form = UserProfile( request.POST)
		if user_form.is_valid() and profile_form.is_valid():

			user = user_form.save()
			user.set_password(user.password)
			user.save()

			profile = profile_form.save(commit= False)
			profile.user = user

			if 'profile_pic' in request.FILES:
				profile.profile_pic = request.FILES['profile_pic']
			profile.save()	

			registered = True
			return redirect('accounts/') 

	else:
		user_form = RegistrationForm()

		profile_form = 	UserProfile()
	
	args = { 'user_form' : user_form, 'profile_form': profile_form }

	return render(request, 'registration/reg_form.html', args)

@login_required 				
def home(request):
	return render( request, 'registration/home.html' )


@login_required 
def settings(request):
	return render(request, 'registration/settings.html')


@login_required 
def view_profile(request):
	args = {'user': request.user}
	return render(request,'registration/profile.html', args)


@login_required 
def edit_profile(request):
	print(request)
	if request.method == "POST":
		form = EditProfileForm(request.POST, instance = request.user)

		if form.is_valid():
		   form.save()
		   return redirect('/accounts/profile')


	form = EditProfileForm(instance = request.user)
	args = {'form' : form}
	return redirect(request, 'registration/edit_profile.html', args)


@login_required 
def change_password(request):
	print(request)
	if request.method == "POST":
		form = PasswordChangeForm(data = request.POST, user = request.user)

		if form.is_valid():
		   form.save()
		   update_session_auth_hash(request, form.user)
		   return redirect('/accounts/profile')


	form = PasswordChangeForm(user = request.user)
	args = {'form' : form}
	return redirect(request, 'registration/change_password.html', args)

#urls.py

from django.urls import path
from . import views
from django.contrib.auth import views as auth_views 
#Password_ResetView, Password_Reset_DoneView 


     
urlpatterns = [
	path('', views.home, name= 'home'),
	path('register/', views.register, name= 'register'),
	path('login/', auth_views.LoginView.as_view(template_name='registration/login.html'), name= 'login'),
	path('logout/', auth_views.LogoutView.as_view(template_name='registration/logout.html'), name= 'logout'),
	path('profile/', views.view_profile, name= 'views_profile'),
	path('profile/edit', views.edit_profile, name= 'edit_profile'),
	path('change-password/', auth_views.PasswordChangeView.as_view(template_name='registration/change_password.html'), name= 'change_password'),
	path('password_reset/', auth_views.PasswordResetView.as_view(),
	{ 'template_name':'registration/password_reset.html', 'post_reset_redirect': 'password_reset_done',
	 'email_tamplate_name': 'registration/password_reset_email.html' }, name= 'password_reset'),
	path('change-password/done/', auth_views.PasswordChangeDoneView.as_view(template_name='registration/change_password_done.html'), name= 'change_password_done'),
	path('reset-password/done/', auth_views.PasswordResetDoneView.as_view(template_name='registration/password_reset_done.html'), name= 'password_reset_done'),
	path('reset-password/confirm<uidb64>/<token>', auth_views.PasswordResetConfirmView
		.as_view(template_name='registration/password_reset_confirm.html'), name= 'password_reset_confirm'),
	path('reset-password/complete', auth_views.PasswordResetCompleteView
		.as_view(template_name= 'registration/password_reset_complete.html'), name= 'password_reset_complete'),
	path('settings', views.settings, name= 'settings'),
]

# models.py

from django.db import models
from django.contrib.auth.models import User 
from django.db.models.signals import post_save
# Create your models here.

class UserProfile(models.Model):
	user = models.OneToOneField(User, on_delete=models.CASCADE)
	avatar = models.ImageField(upload_to = 'profile_pics', blank = True)


def create_profile(sender,**kwargs):
	if kwargs ['created']:
		user_profile = UserProfile.objects.create(user=kwargs['instance'])	

post_save.connect(create_profile, sender= User)


def __str__(self):
	return self.mdels.user.username

#forms.py

from django import forms
from django.contrib.auth.models import User 
from django.contrib.auth.forms import UserCreationForm, UserChangeForm
from accounts import models

class RegistrationForm(UserCreationForm):

	class Meta:
		model = User 
		fields = ('username', 'first_name', 'last_name', 'email','password1')

	def save(self , commit = True):	
		user = super(RegistrationForm, self).save(commit= False)
		user.last_name = self.cleaned_data['last_name']
		user.last_name = self.cleaned_data['first_name']
		user.email = self.cleaned_data['email']
		
		if commit:
			user.save()

		return user 			


class UserProfile(forms.ModelForm):
	role = forms.ChoiceField(widget = forms.RadioSelect(),choices = ([('teacher','Teacher'), ('learner','Learner')]))
	class Meta():
		model = models.UserProfile
		fields = ("avatar",)

	def save(self , commit = True):	
		user_profile = UserProfile
		user_profile.avatar = self.cleaned_data['avatar']
		user_profile.role = self.cleaned_data['role']

class EditProfileForm(UserChangeForm):
	class Meta:
		model = User 
		fields = ('username', 'first_name', 'last_name', 'password')