On utilise get_user_model partout

elections/utils.py

@@ -5,6 +5,7 @@ import networkx as nx
 import numpy as np
 from networkx.algorithms.dag import ancestors, descendants
 
+from django.contrib.auth import get_user_model
 from django.contrib.auth.hashers import make_password
 from django.core.exceptions import ValidationError
 from django.core.mail import EmailMessage, get_connection
@@ -394,7 +395,7 @@ def send_mail(election, mail_form):
     """Envoie le mail d'annonce de l'élection avec identifiants et mot de passe
     aux votant·e·s, le mdp est généré en même temps que le mail est envoyé.
     """
-    from .models import User
+    User = get_user_model()
 
     voters = list(election.registered_voters.all())
     e_url = reverse("election.view", args=[election.id])

elections/views.py

@@ -1,6 +1,7 @@
 import csv
 
 from django.contrib import messages
+from django.contrib.auth import get_user_model
 from django.contrib.messages.views import SuccessMessageMixin
 from django.core.mail import EmailMessage
 from django.db import transaction
@@ -38,10 +39,12 @@ from .mixins import (
     NotArchivedMixin,
     OpenElectionOnlyMixin,
 )
-from .models import Election, Option, Question, User, Vote
+from .models import Election, Option, Question, Vote
 from .staticdefs import MAIL_VOTE_DELETED, MAIL_VOTERS, QUESTION_TYPES, VOTE_RULES
 from .utils import create_users, send_mail
 
+User = get_user_model()
+
 # TODO: access control *everywhere*
 
 # #############################################################################