diff --git a/default.nix b/default.nix
index eed74c2..f8cac0d 100644
--- a/default.nix
+++ b/default.nix
@@ -31,6 +31,7 @@ in
       (python3.withPackages (ps: [
         ps.django
         ps.ipython
+        ps.django-stubs
 
         ps.markdown
         ps.numpy
diff --git a/elections/forms.py b/elections/forms.py
index df19573..5073819 100644
--- a/elections/forms.py
+++ b/elections/forms.py
@@ -14,6 +14,9 @@ class ElectionForm(forms.ModelForm):
 
     def clean(self):
         cleaned_data = super().clean()
+
+        assert cleaned_data is not None
+
         if cleaned_data["start_date"] < timezone.now():
             self.add_error(
                 "start_date", _("Impossible de faire débuter l'élection dans le passé")
diff --git a/elections/mixins.py b/elections/mixins.py
index 2b243bb..82bc25e 100644
--- a/elections/mixins.py
+++ b/elections/mixins.py
@@ -1,23 +1,32 @@
+from typing import Any
+
 from django.contrib.auth.mixins import PermissionRequiredMixin
-from django.db.models import Q
+from django.db.models import Q, QuerySet
+from django.http.request import HttpRequest
 from django.urls import reverse
 from django.utils import timezone
 from django.views.generic.detail import SingleObjectMixin
 
+from elections.typing import AuthenticatedRequest
+
 from .models import Election, Option, Question
 
 
 class AdminOnlyMixin(PermissionRequiredMixin):
     """Restreint l'accès aux admins"""
 
+    request: AuthenticatedRequest
+
     permission_required = "elections.election_admin"
 
 
 class SelectElectionMixin:
     """Sélectionne automatiquement les foreignkeys voulues"""
 
-    def get_queryset(self):
-        qs = super().get_queryset()
+    model: type
+
+    def get_queryset(self) -> QuerySet:
+        qs = super().get_queryset()  # pyright: ignore
         if self.model is Question:
             return qs.select_related("election")
         elif self.model is Option:
@@ -28,15 +37,19 @@ class SelectElectionMixin:
 class RestrictAccessMixin(SelectElectionMixin):
     """Permet de restreindre l'accès à des élections/questions/options"""
 
-    f_prefixes = {Election: "", Question: "election__", Option: "question__election__"}
+    f_prefixes = {
+        Election: "",
+        Question: "election__",
+        Option: "question__election__",
+    }
 
-    def get_f_prefix(self):
-        return self.f_prefixes.get(self.model, None)
+    def get_f_prefix(self) -> str:
+        return self.f_prefixes.get(self.model, "")
 
-    def get_filters(self):
+    def get_filters(self) -> dict[str, Any]:
         return {}
 
-    def get_queryset(self):
+    def get_queryset(self) -> QuerySet:
         qs = super().get_queryset()
         if self.model in self.f_prefixes:
             return qs.filter(**self.get_filters())
@@ -47,7 +60,7 @@ class RestrictAccessMixin(SelectElectionMixin):
 class OpenElectionOnlyMixin(RestrictAccessMixin):
     """N'autorise la vue que lorsque l'élection est ouverte"""
 
-    def get_filters(self):
+    def get_filters(self) -> dict[str, Any]:
         f_prefix = self.get_f_prefix()
         # On ne peut modifier que les élections qui n'ont pas commencé, et
         # accessoirement qui ne sont pas dépouillées ou archivées
@@ -67,7 +80,7 @@ class CreatorOnlyMixin(AdminOnlyMixin, RestrictAccessMixin, SingleObjectMixin):
     def get_next_url(self):
         return reverse("kadenios")
 
-    def get_filters(self):
+    def get_filters(self) -> dict[str, Any]:
         filters = super().get_filters()
         # TODO: change the way we collect the user according to the model used
         filters[self.get_f_prefix() + "created_by"] = self.request.user
@@ -77,7 +90,7 @@ class CreatorOnlyMixin(AdminOnlyMixin, RestrictAccessMixin, SingleObjectMixin):
 class CreatorOnlyEditMixin(CreatorOnlyMixin):
     """Permet au créateurice de modifier l'élection implicitement"""
 
-    def get_filters(self):
+    def get_filters(self) -> dict[str, Any]:
         # On ne peut modifier que les élections qui n'ont pas commencé
         filters = super().get_filters()
         filters[self.get_f_prefix() + "start_date__gt"] = timezone.now()
@@ -87,7 +100,7 @@ class CreatorOnlyEditMixin(CreatorOnlyMixin):
 class ClosedElectionMixin(CreatorOnlyMixin):
     """Permet d'agir sur une élection terminée"""
 
-    def get_filters(self):
+    def get_filters(self) -> dict[str, Any]:
         f_prefix = self.get_f_prefix()
         # L'élection doit être terminée et non archivée
         filters = super().get_filters()
@@ -102,9 +115,11 @@ class NotArchivedMixin:
     ou dont on est l'admin
     """
 
-    def get_queryset(self):
+    request: HttpRequest
+
+    def get_queryset(self) -> QuerySet:
         user = self.request.user
-        qs = super().get_queryset()
+        qs = super().get_queryset()  # pyright: ignore
         if user.is_authenticated:
             return qs.filter(Q(archived=False, visible=True) | Q(created_by=user))
 
diff --git a/elections/models.py b/elections/models.py
index 4d1bab8..7722717 100644
--- a/elections/models.py
+++ b/elections/models.py
@@ -1,8 +1,11 @@
+from typing import TYPE_CHECKING
+
 from translated_fields import TranslatedFieldWithFallback
 
 from django.conf import settings
 from django.contrib.auth.models import AbstractUser
 from django.db import models, transaction
+from django.http.request import HttpRequest
 from django.template.loader import render_to_string
 from django.utils.translation import gettext_lazy as _
 
@@ -25,12 +28,20 @@ from .utils import (
     ValidateFunctions,
 )
 
+if TYPE_CHECKING:
+    from django.db.models.fields.related_descriptors import ManyRelatedManager
+    from django.utils.functional import _StrPromise
+
+
 # #############################################################################
 #  Models regarding an election
 # #############################################################################
 
 
 class Election(models.Model):
+    registered_voters: models.Manager["User"]
+    questions: models.Manager["Question"]
+
     name = TranslatedFieldWithFallback(models.CharField(_("nom"), max_length=255))
     short_name = models.SlugField(_("nom bref"), unique=True)
     description = TranslatedFieldWithFallback(
@@ -88,6 +99,9 @@ class Election(models.Model):
 
 
 class Question(Serializer, models.Model):
+    options: models.Manager["Option"]
+    duels: models.Manager["Duel"]
+
     election = models.ForeignKey(
         Election, related_name="questions", on_delete=models.CASCADE
     )
@@ -113,22 +127,22 @@ class Question(Serializer, models.Model):
 
     serializable_fields = ["text_en", "text_fr", "type"]
 
-    def is_form_valid(self, vote_form):
+    def is_form_valid(self, vote_form) -> bool:
         validate_function = getattr(ValidateFunctions, VALIDATE_FUNCTIONS[self.type])
         return vote_form.is_valid() and validate_function(vote_form)
 
     @transaction.atomic
-    def cast_ballot(self, user, vote_form):
+    def cast_ballot(self, user: "User", vote_form) -> None:
         cast_function = getattr(CastFunctions, CAST_FUNCTIONS[self.type])
         cast_function(user, vote_form)
 
     @transaction.atomic
-    def tally(self):
+    def tally(self) -> None:
         tally_function = getattr(TallyFunctions, TALLY_FUNCTIONS[self.type])
         tally_function(self)
 
     @property
-    def results(self):
+    def results(self) -> str:
         return render_to_string(
             f"elections/results/{self.vote_type}_export.txt", {"question": self}
         )
@@ -150,8 +164,8 @@ class Question(Serializer, models.Model):
     def vote_type(self):
         return BALLOT_TYPE[self.type]
 
-    def __str__(self):
-        return self.text
+    def __str__(self) -> str:
+        return str(self.text)
 
     class Meta:
         ordering = ["id"]
@@ -168,7 +182,7 @@ class Option(Serializer, models.Model):
     voters = models.ManyToManyField(
         settings.AUTH_USER_MODEL,
         related_name="votes",
-        through="Vote",
+        through="elections.Vote",
         blank=True,
     )
     # For now, we store the amount of votes received after the election is tallied
@@ -182,13 +196,13 @@ class Option(Serializer, models.Model):
 
         super().save(*args, **kwargs)
 
-    def get_abbr(self, default):
+    def get_abbr(self, default: str) -> str:
         return self.abbreviation or default
 
-    def __str__(self):
+    def __str__(self) -> str:
         if self.abbreviation:
-            return self.abbreviation + " - " + self.text
-        return self.text
+            return f"{self.abbreviation} - {self.text}"
+        return str(self.text)
 
     class Meta:
         ordering = ["id"]
@@ -202,6 +216,10 @@ class Vote(models.Model):
         ordering = ["option"]
 
 
+class RankedVote(Vote):
+    rank: "Rank"
+
+
 class Rank(models.Model):
     vote = models.OneToOneField(Vote, on_delete=models.CASCADE)
     rank = models.PositiveSmallIntegerField(_("rang de l'option"))
@@ -229,6 +247,10 @@ class Duel(models.Model):
 
 
 class User(AbstractUser):
+    cast_elections: "ManyRelatedManager[Election]"
+    cast_questions: "ManyRelatedManager[Question]"
+    votes: "ManyRelatedManager[Vote]"
+
     election = models.ForeignKey(
         Election,
         related_name="registered_voters",
@@ -240,28 +262,30 @@ class User(AbstractUser):
     has_valid_email = models.BooleanField(_("email valide"), null=True, default=None)
 
     @property
-    def base_username(self):
+    def base_username(self) -> str:
         return "__".join(self.username.split("__")[1:])
 
-    def can_vote(self, request, election):
+    def can_vote(self, request: HttpRequest, election: Election) -> bool:
         # Si c'est un·e utilisateur·ice CAS, iel peut voter dans les élections
         # ouvertes à tou·te·s
         if self.election is None:
             # If the user is connected via CAS, request.session["CASCONNECTED"] is set
             # to True by authens
-            return not election.restricted and request.session.get("CASCONNECTED")
+            return not election.restricted and request.session.get(
+                "CASCONNECTED", False
+            )
 
         # Pour les élections restreintes, il faut y être associé
         return election.restricted and (self.election == election)
 
-    def is_admin(self, election):
+    def is_admin(self, election: Election) -> bool:
         return election.created_by == self or self.is_staff
 
-    def get_prefix(self):
+    def get_prefix(self) -> str:
         return self.username.split("__")[0]
 
     @property
-    def connection_method(self):
+    def connection_method(self) -> "_StrPromise":
         method = self.username.split("__")[0]
         return CONNECTION_METHODS.get(method, _("identifiants spécifiques"))
 
diff --git a/elections/tasks.py b/elections/tasks.py
index 21f6b80..d6b94bf 100644
--- a/elections/tasks.py
+++ b/elections/tasks.py
@@ -5,7 +5,7 @@ from .utils import send_mail
 
 
 @background
-def send_election_mail(election_pk, subject, body, reply_to):
+def send_election_mail(election_pk: int, subject: str, body: str, reply_to: str):
     election = Election.objects.get(pk=election_pk)
     send_mail(election, subject, body, reply_to)
     election.sent_mail = True
diff --git a/elections/tests/test_models.py b/elections/tests/test_models.py
index c75ca26..321ae0f 100644
--- a/elections/tests/test_models.py
+++ b/elections/tests/test_models.py
@@ -1,3 +1,5 @@
+from typing import TYPE_CHECKING
+
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.test import TestCase
@@ -5,7 +7,10 @@ from django.utils.translation import gettext_lazy as _
 
 from .test_utils import create_election
 
-User = get_user_model()
+if TYPE_CHECKING:
+    from elections.typing import User
+else:
+    User = get_user_model()
 
 
 class UserTests(TestCase):
@@ -40,8 +45,11 @@ class UserTests(TestCase):
         session["CASCONNECTED"] = True
         session.save()
 
+        assert session.session_key is not None
+
         # On sauvegarde le cookie de session
         session_cookie_name = settings.SESSION_COOKIE_NAME
+
         self.client.cookies[session_cookie_name] = session.session_key
 
         self.assertFalse(self.cas_user.can_vote(self.client, self.election_1))
diff --git a/elections/tests/test_views.py b/elections/tests/test_views.py
index cc1bedb..6a05bc5 100644
--- a/elections/tests/test_views.py
+++ b/elections/tests/test_views.py
@@ -1,11 +1,16 @@
-from django.contrib.auth import get_user_model
+from typing import TYPE_CHECKING
+
 from django.contrib.auth.models import Permission
 from django.test import TestCase
 from django.urls import reverse
 
 from .test_utils import create_election
 
-User = get_user_model()
+if TYPE_CHECKING:
+    from elections.typing import User
+else:
+    from django.contrib.auth import get_user_model
+    User = get_user_model()
 
 
 class AdminViewsTest(TestCase):
diff --git a/elections/typing.py b/elections/typing.py
new file mode 100644
index 0000000..1e25117
--- /dev/null
+++ b/elections/typing.py
@@ -0,0 +1,7 @@
+from django.http.request import HttpRequest
+
+from elections.models import User
+
+
+class AuthenticatedRequest(HttpRequest):
+    user: User
diff --git a/elections/utils.py b/elections/utils.py
index 346060c..722372a 100644
--- a/elections/utils.py
+++ b/elections/utils.py
@@ -1,31 +1,46 @@
 import csv
 import io
 import smtplib
+from typing import TYPE_CHECKING, TypeGuard
 
 import networkx as nx
 import numpy as np
 from networkx.algorithms.dag import ancestors, descendants
+from numpy._typing import NDArray
 
 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.files.base import File
 from django.core.mail import EmailMessage
 from django.core.validators import validate_email
+from django.forms import BaseFormSet
 from django.template.loader import render_to_string
 from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 
 from shared.auth.utils import generate_password
 
+if TYPE_CHECKING:
+    from elections.forms import RankVoteForm, SelectVoteForm
+    from elections.models import Election, Question, RankedVote, Vote
+    from elections.typing import User
+
+
 # #############################################################################
 #  Classes pour différencier les différents types de questions
 # #############################################################################
 
 
+def has_rank(v: "Vote") -> TypeGuard["RankedVote"]:
+    return hasattr(v, "rank")
+
+
 class CastFunctions:
     """Classe pour enregistrer les votes"""
 
-    def cast_select(user, vote_form):
+    @staticmethod
+    def cast_select(user: "User", vote_form: "BaseFormSet[SelectVoteForm]"):
         """On enregistre un vote classique"""
         selected, n_selected = [], []
         for v in vote_form:
@@ -37,7 +52,8 @@ class CastFunctions:
         user.votes.add(*selected)
         user.votes.remove(*n_selected)
 
-    def cast_rank(user, vote_form):
+    @staticmethod
+    def cast_rank(user: "User", vote_form: "BaseFormSet[RankVoteForm]"):
         """On enregistre un vote par classement"""
         from .models import Rank, Vote
 
@@ -53,7 +69,8 @@ class CastFunctions:
 
         for v in vote_form:
             vote = votes[v.instance]
-            if hasattr(vote, "rank"):
+
+            if has_rank(vote):
                 vote.rank.rank = v.cleaned_data["rank"]
                 ranks_update.append(vote.rank)
             else:
@@ -66,7 +83,8 @@ class CastFunctions:
 class TallyFunctions:
     """Classe pour gérer les dépouillements"""
 
-    def tally_select(question):
+    @staticmethod
+    def tally_select(question: "Question") -> None:
         """On dépouille un vote classique"""
         from .models import Option
 
@@ -86,7 +104,8 @@ class TallyFunctions:
 
         Option.objects.bulk_update(options, ["nb_votes", "winner"])
 
-    def tally_schultze(question):
+    @staticmethod
+    def tally_schultze(question: "Question") -> None:
         """On dépouille un vote par classement et on crée la matrice des duels"""
         from .models import Duel, Option, Rank
 
@@ -102,12 +121,12 @@ class TallyFunctions:
             else:
                 ranks_by_user[user] = [r]
 
-        ballots = []
+        ballots: list[NDArray[np.int_]] = []
 
         # Pour chaque votant·e, on regarde son classement
         for user in ranks_by_user:
             votes = ranks_by_user[user]
-            ballot = np.zeros((nb_options, nb_options))
+            ballot = np.zeros((nb_options, nb_options), dtype=int)
 
             for i in range(nb_options):
                 for j in range(i):
@@ -121,6 +140,9 @@ class TallyFunctions:
             # des duels
             duels = sum(ballots)
 
+            # As ballots is not empty, sum cannot be 0
+            assert duels != 0
+
             # Configuration du graphe
             graph = nx.DiGraph()
 
@@ -163,11 +185,11 @@ class TallyFunctions:
                     # le plus faible
                     min_weight = min(nx.get_edge_attributes(graph, "weight").values())
                     min_edges = []
-                    for (u, v) in graph.edges():
+                    for u, v in graph.edges():
                         if graph[u][v]["weight"] == min_weight:
                             min_edges.append((u, v))
 
-                    for (u, v) in min_edges:
+                    for u, v in min_edges:
                         graph.remove_edge(u, v)
 
             # Les options gagnantes sont celles encore présentes dans le graphe
@@ -181,29 +203,31 @@ class TallyFunctions:
 class ValidateFunctions:
     """Classe pour valider les formsets selon le type de question"""
 
-    def always_true(vote_form):
-        """Retourne True pour les votes sans validation particulière"""
+    @staticmethod
+    def always_true(_) -> bool:
+        """Renvoie True pour les votes sans validation particulière"""
         return True
 
-    def unique_selected(vote_form):
+    @staticmethod
+    def unique_selected(vote_form: "BaseFormSet[SelectVoteForm]") -> bool:
         """Vérifie qu'une seule option est choisie"""
-        nb_selected = 0
-        for v in vote_form:
-            nb_selected += v.cleaned_data["selected"]
+
+        nb_selected = sum(v.cleaned_data["selected"] for v in vote_form)
 
         if nb_selected == 0:
-            vote_form._non_form_errors.append(
+            vote_form._non_form_errors.append(  # pyright: ignore
                 ValidationError(_("Vous devez sélectionnner une option."))
             )
             return False
         elif nb_selected > 1:
-            vote_form._non_form_errors.append(
+            vote_form._non_form_errors.append(  # pyright: ignore
                 ValidationError(_("Vous ne pouvez pas sélectionner plus d'une option."))
             )
             return False
         return True
 
-    def limit_ranks(vote_form):
+    @staticmethod
+    def limit_ranks(vote_form: "BaseFormSet[RankVoteForm]"):
         """Limite le classement au nombre d'options"""
         nb_options = len(vote_form)
         valid = True
@@ -229,11 +253,13 @@ class ValidateFunctions:
 class ResultsData:
     """Classe pour afficher des informations supplémentaires après la fin d'une élection"""
 
-    def select(question):
+    @staticmethod
+    def select(_: "Question") -> str:
         """On renvoie l'explication des couleurs"""
         return render_to_string("elections/results/select.html")
 
-    def rank(question):
+    @staticmethod
+    def rank(question: "Question") -> str:
         """On récupère la matrice des résultats et on l'affiche"""
         duels = question.duels.all()
         options = list(question.options.all())
@@ -270,7 +296,8 @@ class ResultsData:
 class BallotsData:
     """Classe pour afficher les bulletins d'une question"""
 
-    def select(question):
+    @staticmethod
+    def select(question: "Question") -> str:
         """Renvoie un tableau affichant les options sélectionnées pour chaque bulletin"""
         from .models import Vote
 
@@ -290,7 +317,8 @@ class BallotsData:
             {"options": options, "ballots": sorted(ballots.values(), reverse=True)},
         )
 
-    def rank(question):
+    @staticmethod
+    def rank(question: "Question") -> str:
         """Renvoie un tableau contenant les classements des options par bulletin"""
         from .models import Rank
 
@@ -318,7 +346,7 @@ class BallotsData:
 # #############################################################################
 
 
-def create_users(election, csv_file):
+def create_users(election: "Election", csv_file: File):
     """Crée les votant·e·s pour l'élection donnée, en remplissant les champs
     `username`, `election` et `full_name`.
     """
@@ -331,7 +359,7 @@ def create_users(election, csv_file):
     users = [
         User(
             election=election,
-            username=f"{election.id}__{username}",
+            username=f"{election.pk}__{username}",
             email=email,
             full_name=full_name,
         )
@@ -341,7 +369,7 @@ def create_users(election, csv_file):
     User.objects.bulk_create(users)
 
 
-def check_csv(csv_file):
+def check_csv(csv_file: File):
     """Vérifie que le fichier donnant la liste de votant·e·s est bien formé"""
     try:
         dialect = csv.Sniffer().sniff(csv_file.readline().decode("utf-8"))
@@ -394,15 +422,14 @@ def check_csv(csv_file):
     return errors
 
 
-def send_mail(election, subject, body, reply_to):
+def send_mail(election: "Election", subject: str, body: str, reply_to: str) -> None:
     """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.
     """
-    User = get_user_model()
 
     # On n'envoie le mail qu'aux personnes qui n'en n'ont pas déjà reçu un
     voters = list(election.registered_voters.exclude(has_valid_email=True))
-    e_url = reverse("election.view", args=[election.id])
+    e_url = reverse("election.view", args=[election.pk])
     url = f"https://vote.eleves.ens.fr{e_url}"
     start = election.start_date.strftime("%d/%m/%Y %H:%M %Z")
     end = election.end_date.strftime("%d/%m/%Y %H:%M %Z")
@@ -431,7 +458,7 @@ def send_mail(election, subject, body, reply_to):
             )
         )
 
-    for (m, v) in messages:
+    for m, v in messages:
         try:
             m.send()
         except smtplib.SMTPException:
diff --git a/elections/views.py b/elections/views.py
index e8f9635..6b7ebc8 100644
--- a/elections/views.py
+++ b/elections/views.py
@@ -1,7 +1,7 @@
 import csv
+from typing import TYPE_CHECKING
 
 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
@@ -19,6 +19,7 @@ from django.views.generic import (
     View,
 )
 
+from elections.typing import AuthenticatedRequest
 from shared.json import JsonCreateView, JsonDeleteView, JsonUpdateView
 from shared.views import BackgroundUpdateView, TimeMixin
 
@@ -43,7 +44,11 @@ from .staticdefs import MAIL_VOTE_DELETED, MAIL_VOTERS, QUESTION_TYPES, VOTE_RUL
 from .tasks import send_election_mail
 from .utils import create_users
 
-User = get_user_model()
+if TYPE_CHECKING:
+    from elections.typing import User
+else:
+    from django.contrib.auth import get_user_model
+    User = get_user_model()
 
 # TODO: access control *everywhere*
 
@@ -53,6 +58,8 @@ User = get_user_model()
 
 
 class ElectionCreateView(AdminOnlyMixin, SuccessMessageMixin, CreateView):
+    object: Election
+
     model = Election
     form_class = ElectionForm
     success_message = _("Élection créée avec succès !")
@@ -61,7 +68,7 @@ class ElectionCreateView(AdminOnlyMixin, SuccessMessageMixin, CreateView):
     def get_success_url(self):
         return reverse("election.admin", args=[self.object.pk])
 
-    def form_valid(self, form):
+    def form_valid(self, form: ElectionForm):
         # We need to add the short name and the creator od the election
         form.instance.short_name = slugify(
             form.instance.start_date.strftime("%Y-%m-%d") + "_" + form.instance.name
@@ -75,11 +82,11 @@ class ElectionDeleteView(CreatorOnlyMixin, BackgroundUpdateView):
     model = Election
     pattern_name = "election.list"
 
-    def get_object(self, queryset=None):
-        obj = self.get_object()
+    def get_object(self):
+        obj: Election = super().get_object()
         # On ne peut supprimer que les élections n'ayant pas eu de vote et dont
         # le mail d'annonce n'a pas été fait
-        if obj.voters.exists() or obj.send_election_mail:
+        if obj.voters.exists() or obj.sent_mail:
             raise Http404
         return obj
 
@@ -89,6 +96,8 @@ class ElectionDeleteView(CreatorOnlyMixin, BackgroundUpdateView):
 
 
 class ElectionAdminView(CreatorOnlyMixin, TimeMixin, DetailView):
+    object: Election
+
     model = Election
     template_name = "elections/election_admin.html"
 
@@ -115,7 +124,7 @@ class ElectionSetVisibleView(CreatorOnlyMixin, BackgroundUpdateView):
     success_message = _("Élection visible !")
 
     def get(self, request, *args, **kwargs):
-        self.election = self.get_object()
+        self.election: Election = self.get_object()
         self.election.visible = True
         self.election.save()
         return super().get(request, *args, **kwargs)
@@ -232,6 +241,8 @@ class ElectionUpdateView(CreatorOnlyEditMixin, SuccessMessageMixin, UpdateView):
 
 
 class DeleteVoteView(ClosedElectionMixin, JsonDeleteView):
+    voter: User
+
     model = Election
 
     def get_message(self):
@@ -416,7 +427,7 @@ class ElectionView(NotArchivedMixin, DetailView):
         context = super().get_context_data(**kwargs)
         context["current_time"] = timezone.now()
 
-        if user.is_authenticated:
+        if user.is_authenticated and isinstance(user, User):
             context["can_vote"] = user.can_vote(self.request, context["election"])
             context["cast_questions"] = user.cast_questions.all()
             context["has_voted"] = user.cast_elections.filter(
@@ -444,7 +455,7 @@ class ElectionVotersView(NotArchivedMixin, DetailView):
         election = context["election"]
         voters = list(election.voters.all())
 
-        if user.is_authenticated:
+        if user.is_authenticated and isinstance(user, User):
             context["can_vote"] = user.can_vote(self.request, context["election"])
             context["is_admin"] = user.is_admin(election)
             can_delete = (
@@ -476,6 +487,8 @@ class ElectionBallotsView(NotArchivedMixin, DetailView):
 
 
 class VoteView(OpenElectionOnlyMixin, DetailView):
+    request: AuthenticatedRequest
+
     model = Question
 
     def dispatch(self, request, *args, **kwargs):
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..dc1584a
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[tool.pyright]
+reportIncompatibleMethodOverride = false
+reportIncompatibleVariableOverride = false
diff --git a/shared/auth/__init__.py b/shared/auth/__init__.py
index 074cc4f..75aee9e 100644
--- a/shared/auth/__init__.py
+++ b/shared/auth/__init__.py
@@ -1,3 +1,5 @@
 from .staticdefs import CONNECTION_METHODS
 
-__all__ = [CONNECTION_METHODS]
+__all__ = [
+    "CONNECTION_METHODS",
+]
diff --git a/shared/auth/backends.py b/shared/auth/backends.py
index 8ad1c4d..16e5a59 100644
--- a/shared/auth/backends.py
+++ b/shared/auth/backends.py
@@ -1,10 +1,15 @@
+from typing import TYPE_CHECKING
+
 from authens.backends import ENSCASBackend
 
-from django.contrib.auth import get_user_model
 from django.contrib.auth.backends import ModelBackend
 from django.core.exceptions import PermissionDenied
 
-User = get_user_model()
+if TYPE_CHECKING:
+    from elections.typing import User
+else:
+    from django.contrib.auth import get_user_model
+    User = get_user_model()
 
 
 class CASBackend(ENSCASBackend):
diff --git a/shared/auth/forms.py b/shared/auth/forms.py
index 00b5204..dda4e2e 100644
--- a/shared/auth/forms.py
+++ b/shared/auth/forms.py
@@ -1,11 +1,16 @@
+from typing import TYPE_CHECKING
+
 from django import forms
 from django.contrib.auth import authenticate
 from django.contrib.auth import forms as auth_forms
-from django.contrib.auth import get_user_model
 from django.core.validators import validate_email
 from django.utils.translation import gettext_lazy as _
 
-User = get_user_model()
+if TYPE_CHECKING:
+    from elections.typing import User
+else:
+    from django.contrib.auth import get_user_model
+    User = get_user_model()
 
 
 class ElectionAuthForm(forms.Form):
diff --git a/shared/auth/utils.py b/shared/auth/utils.py
index 77b3fd8..9531dc7 100644
--- a/shared/auth/utils.py
+++ b/shared/auth/utils.py
@@ -4,12 +4,10 @@ import random
 #  Fonctions universelles
 # #############################################################################
 
+alphabet = "abcdefghjkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789"
+
 
 def generate_password(size=15):
     random.seed()
-    alphabet = "abcdefghjkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789"
-    password = ""
-    for i in range(size):
-        password += random.choice(alphabet)
 
-    return password
+    return "".join(random.choice(alphabet) for _ in range(size))
diff --git a/shared/auth/views.py b/shared/auth/views.py
index b63f001..7f2c5cd 100644
--- a/shared/auth/views.py
+++ b/shared/auth/views.py
@@ -1,17 +1,25 @@
-from django.contrib.auth import get_user_model
+from typing import TYPE_CHECKING
+
 from django.contrib.auth import views as auth_views
 from django.contrib.auth.hashers import make_password
 from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
 from django.contrib.auth.models import Permission
 from django.contrib.messages.views import SuccessMessageMixin
+from django.db.models import QuerySet
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import gettext_lazy as _
 from django.views.generic import CreateView, FormView, ListView, TemplateView
 
+from elections.typing import AuthenticatedRequest
+
 from .forms import ElectionAuthForm, PwdUserForm, UserAdminForm
 from .utils import generate_password
 
-User = get_user_model()
+if TYPE_CHECKING:
+    from elections.typing import User
+else:
+    from django.contrib.auth import get_user_model
+    User = get_user_model()
 
 
 # #############################################################################
@@ -25,6 +33,8 @@ class StaffMemberMixin(UserPassesTestMixin):
     n'est pas connectée, renvoie sur la page d'authentification
     """
 
+    request: AuthenticatedRequest
+
     def test_func(self):
         return self.request.user.is_active and self.request.user.is_staff
 
@@ -85,7 +95,7 @@ class AccountListView(StaffMemberMixin, ListView):
 
     def get_context_data(self, **kwargs):
         ctx = super().get_context_data(**kwargs)
-        qs = self.get_queryset()
+        qs: QuerySet = self.get_queryset()  # pyright: ignore
 
         ctx["cas_users"] = qs.filter(username__startswith="cas__")
         ctx["pwd_users"] = qs.filter(username__startswith="pwd__")
@@ -143,16 +153,16 @@ class PermissionManagementView(StaffMemberMixin, SuccessMessageMixin, FormView):
         # Election admin
         election_perm = Permission.objects.get(codename="election_admin")
         if form.cleaned_data["election_admin"]:
-            election_perm.user_set.add(user)
+            election_perm.user_set.add(user)  # pyright: ignore
         else:
-            election_perm.user_set.remove(user)
+            election_perm.user_set.remove(user)  # pyright: ignore
 
         # FAQ admin
         faq_perm = Permission.objects.get(codename="faq_admin")
         if form.cleaned_data["faq_admin"]:
-            faq_perm.user_set.add(user)
+            faq_perm.user_set.add(user)  # pyright: ignore
         else:
-            faq_perm.user_set.remove(user)
+            faq_perm.user_set.remove(user)  # pyright: ignore
 
         user.save()
         return super().form_valid(form)
diff --git a/shared/json/views.py b/shared/json/views.py
index 5e5df85..c1d5824 100644
--- a/shared/json/views.py
+++ b/shared/json/views.py
@@ -1,4 +1,7 @@
+from typing import Any
+
 from django.http import JsonResponse
+from django.template.response import TemplateResponse
 from django.utils.decorators import method_decorator
 from django.views.decorators.http import require_POST
 from django.views.generic.base import TemplateResponseMixin, View
@@ -48,10 +51,17 @@ class JsonMessageMixin:
 
     def get_data(self, **kwargs):
         kwargs.update(message=self.get_message())
-        return super().get_data(**kwargs)
+        return super().get_data(**kwargs)  # pyright: ignore
 
 
-class JsonDetailView(JsonMixin, SingleObjectMixin, TemplateResponseMixin, View):
+class TypedResponseMixin(TemplateResponseMixin):
+    def render_to_response(
+        self, context: dict[str, Any], **response_kwargs: Any
+    ) -> TemplateResponse:
+        return super().render_to_response(context, **response_kwargs)  # pyright: ignore
+
+
+class JsonDetailView(JsonMixin, SingleObjectMixin, TypedResponseMixin, View):
     def get(self, request, *args, **kwargs):
         self.object = self.get_object()
         context = self.get_context_data(object=self.object)
@@ -69,7 +79,7 @@ class JsonDeleteView(JsonMessageMixin, JsonDetailView):
 
 @method_decorator(require_POST, name="dispatch")
 class JsonCreateView(
-    JsonMessageMixin, JsonModelFormMixin, TemplateResponseMixin, ProcessFormView
+    JsonMessageMixin, JsonModelFormMixin, TypedResponseMixin, ProcessFormView
 ):
     def render_to_json(self, **kwargs):
         context = self.get_context_data(object=self.object)
@@ -81,7 +91,7 @@ class JsonCreateView(
 
 @method_decorator(require_POST, name="dispatch")
 class JsonUpdateView(
-    JsonMessageMixin, JsonModelFormMixin, TemplateResponseMixin, ProcessFormView
+    JsonMessageMixin, JsonModelFormMixin, TypedResponseMixin, ProcessFormView
 ):
     def post(self, request, *args, **kwargs):
         self.object = self.get_object()
diff --git a/shared/management/commands/createadmin.py b/shared/management/commands/createadmin.py
index 037dcd8..7b2ba9a 100644
--- a/shared/management/commands/createadmin.py
+++ b/shared/management/commands/createadmin.py
@@ -1,9 +1,14 @@
+from typing import TYPE_CHECKING
+
 from django.contrib.auth import get_user_model
 from django.contrib.auth.hashers import make_password
 from django.contrib.auth.models import Permission
 from django.core.management.base import BaseCommand, CommandError
 
-User = get_user_model()
+if TYPE_CHECKING:
+    from elections.typing import User
+else:
+    User = get_user_model()
 
 
 class Command(BaseCommand):
@@ -38,5 +43,11 @@ class Command(BaseCommand):
 
         user.save()
 
-        Permission.objects.get(codename="election_admin").user_set.add(user)
-        Permission.objects.get(codename="faq_admin").user_set.add(user)
+        Permission.objects.get(
+            codename="election_admin"
+        ).user_set.add(  # pyright: ignore
+            user
+        )
+        Permission.objects.get(codename="faq_admin").user_set.add(  # pyright: ignore
+            user
+        )
diff --git a/shared/views.py b/shared/views.py
index 93aae87..0536c86 100644
--- a/shared/views.py
+++ b/shared/views.py
@@ -23,4 +23,4 @@ class BackgroundUpdateView(RedirectView):
 class TimeMixin:
     def get_context_data(self, **kwargs):
         kwargs.update(current_time=timezone.now())
-        return super().get_context_data(**kwargs)
+        return super().get_context_data(**kwargs)  # pyright: ignore