diff --git a/avisstage/admin.py b/avisstage/admin.py
index 52a6c2d..9bf977f 100644
--- a/avisstage/admin.py
+++ b/avisstage/admin.py
@@ -1,9 +1,10 @@
+import authens.models as authmod
+
 from django.contrib import admin
 from django.contrib.auth.admin import UserAdmin
 from django.contrib.auth.models import User
-from avisstage.models import *
 
-import authens.models as authmod
+from avisstage.models import *
 
 
 class NormalienInline(admin.StackedInline):
diff --git a/avisstage/api.py b/avisstage/api.py
index 61e555f..4d53f95 100644
--- a/avisstage/api.py
+++ b/avisstage/api.py
@@ -1,13 +1,13 @@
 # coding: utf-8
 
-from tastypie.resources import ModelResource
-from tastypie.authentication import SessionAuthentication
 from tastypie import fields, utils
+from tastypie.authentication import SessionAuthentication
+from tastypie.resources import ModelResource
 
 from django.contrib.gis import geos
 from django.urls import reverse
 
-from .models import Lieu, Stage, Normalien, StageMatiere
+from .models import Lieu, Normalien, Stage, StageMatiere
 from .utils import approximate_distance
 
 
diff --git a/avisstage/decorators.py b/avisstage/decorators.py
index 8437240..5886ddf 100644
--- a/avisstage/decorators.py
+++ b/avisstage/decorators.py
@@ -1,7 +1,7 @@
 from functools import wraps
 
-from django.urls import reverse
 from django.shortcuts import redirect
+from django.urls import reverse
 
 
 def en_scolarite_required(view_func):
diff --git a/avisstage/documents.py b/avisstage/documents.py
index f8fde43..9191a24 100644
--- a/avisstage/documents.py
+++ b/avisstage/documents.py
@@ -1,7 +1,7 @@
 from django_elasticsearch_dsl import Document, Index, fields
 from elasticsearch_dsl import analyzer, token_filter, tokenizer
 
-from .models import Stage, AvisStage, AvisLieu
+from .models import AvisLieu, AvisStage, Stage
 from .statics import PAYS_OPTIONS
 
 PAYS_DICT = dict(PAYS_OPTIONS)
diff --git a/avisstage/forms.py b/avisstage/forms.py
index d3da9a4..d778e5c 100644
--- a/avisstage/forms.py
+++ b/avisstage/forms.py
@@ -1,16 +1,16 @@
+import re
 import unicodedata
 
+from simple_email_confirmation.models import EmailAddress
+
 from django import forms
 from django.contrib.auth.forms import PasswordResetForm
 from django.utils import timezone
 
-from simple_email_confirmation.models import EmailAddress
-
-import re
-
-from .models import Normalien, Stage, Lieu, AvisLieu, AvisStage, User
+from .models import AvisLieu, AvisStage, Lieu, Normalien, Stage, User
 from .widgets import LatLonField
 
+
 # Sur-classe utile
 class HTMLTrimmerForm(forms.ModelForm):
     def clean(self):
diff --git a/avisstage/management/commands/nettoie_lieux.py b/avisstage/management/commands/nettoie_lieux.py
index 02daea2..a857503 100644
--- a/avisstage/management/commands/nettoie_lieux.py
+++ b/avisstage/management/commands/nettoie_lieux.py
@@ -1,7 +1,8 @@
 # coding: utf-8
 from django.core.management.base import BaseCommand, CommandError
 from django.db.models import Count
-from avisstage.models import Stage, Lieu
+
+from avisstage.models import Lieu, Stage
 
 
 class Command(BaseCommand):
diff --git a/avisstage/management/commands/nettoie_stages.py b/avisstage/management/commands/nettoie_stages.py
index eec8e9b..72600b9 100644
--- a/avisstage/management/commands/nettoie_stages.py
+++ b/avisstage/management/commands/nettoie_stages.py
@@ -1,7 +1,8 @@
 # coding: utf-8
 from django.core.management.base import BaseCommand, CommandError
 from django.db.models import Count
-from avisstage.models import Stage, Lieu
+
+from avisstage.models import Lieu, Stage
 
 
 class Command(BaseCommand):
diff --git a/avisstage/management/commands/supprime_lieu.py b/avisstage/management/commands/supprime_lieu.py
index dd779a2..02c54aa 100644
--- a/avisstage/management/commands/supprime_lieu.py
+++ b/avisstage/management/commands/supprime_lieu.py
@@ -1,7 +1,8 @@
 # coding: utf-8
 from django.core.management.base import BaseCommand, CommandError
 from django.db.models import Count
-from avisstage.models import Stage, Lieu
+
+from avisstage.models import Lieu, Stage
 
 
 class Command(BaseCommand):
diff --git a/avisstage/management/commands/termine_scolarite.py b/avisstage/management/commands/termine_scolarite.py
index aaf1e9e..41f489a 100644
--- a/avisstage/management/commands/termine_scolarite.py
+++ b/avisstage/management/commands/termine_scolarite.py
@@ -1,9 +1,10 @@
-from django.core.management.base import BaseCommand, CommandError
-from avisstage.models import Normalien
-
-from django.utils import timezone
 from datetime import timedelta
 
+from django.core.management.base import BaseCommand, CommandError
+from django.utils import timezone
+
+from avisstage.models import Normalien
+
 
 class Command(BaseCommand):
     help = 'Réinitialise les statuts "en scolarité" de tout le monde'
diff --git a/avisstage/migrations/0001_initial.py b/avisstage/migrations/0001_initial.py
index a083c8d..85df322 100644
--- a/avisstage/migrations/0001_initial.py
+++ b/avisstage/migrations/0001_initial.py
@@ -2,14 +2,15 @@
 # Generated by Django 1.11 on 2017-06-20 17:45
 from __future__ import unicode_literals
 
-from django.conf import settings
-import django.contrib.gis.db.models.fields
-from django.db import migrations, models
-import django.db.models.deletion
-import django.utils.timezone
 import taggit_autosuggest.managers
 import tinymce.models
 
+import django.contrib.gis.db.models.fields
+import django.db.models.deletion
+import django.utils.timezone
+from django.conf import settings
+from django.db import migrations, models
+
 
 class Migration(migrations.Migration):
 
diff --git a/avisstage/migrations/0002_auto_20171002_2243.py b/avisstage/migrations/0002_auto_20171002_2243.py
index bdfefce..f2b0136 100644
--- a/avisstage/migrations/0002_auto_20171002_2243.py
+++ b/avisstage/migrations/0002_auto_20171002_2243.py
@@ -2,9 +2,10 @@
 # Generated by Django 1.11.2 on 2017-10-02 20:43
 from __future__ import unicode_literals
 
-from django.db import migrations, models
 import tinymce.models
 
+from django.db import migrations, models
+
 
 class Migration(migrations.Migration):
 
diff --git a/avisstage/migrations/0003_auto_20210117_1208.py b/avisstage/migrations/0003_auto_20210117_1208.py
index 4d13ea9..3b200ac 100644
--- a/avisstage/migrations/0003_auto_20210117_1208.py
+++ b/avisstage/migrations/0003_auto_20210117_1208.py
@@ -1,8 +1,8 @@
 # Generated by Django 2.2.17 on 2021-01-17 11:08
 
+import django.db.models.deletion
 from django.conf import settings
 from django.db import migrations, models
-import django.db.models.deletion
 
 
 class Migration(migrations.Migration):
diff --git a/avisstage/migrations/0004_allauth_to_authens.py b/avisstage/migrations/0004_allauth_to_authens.py
index 29f8f8b..3ab2c60 100644
--- a/avisstage/migrations/0004_allauth_to_authens.py
+++ b/avisstage/migrations/0004_allauth_to_authens.py
@@ -1,6 +1,5 @@
 from django.apps import apps as global_apps
 from django.db import migrations
-
 from django.utils import timezone
 
 
diff --git a/avisstage/migrations/0006_auto_20210131_1954.py b/avisstage/migrations/0006_auto_20210131_1954.py
index c940e17..f7b7394 100644
--- a/avisstage/migrations/0006_auto_20210131_1954.py
+++ b/avisstage/migrations/0006_auto_20210131_1954.py
@@ -1,8 +1,9 @@
 # Generated by Django 2.2.17 on 2021-01-31 18:54
 
-import avisstage.models
 from django.db import migrations, models
 
+import avisstage.models
+
 
 class Migration(migrations.Migration):
 
diff --git a/avisstage/models.py b/avisstage/models.py
index 9439748..c0c7838 100644
--- a/avisstage/models.py
+++ b/avisstage/models.py
@@ -1,34 +1,32 @@
-from django.db import models
-from django.db.models.signals import post_save
+from datetime import timedelta
+
+from authens.models import CASAccount
+from authens.signals import post_cas_connect
+from taggit_autosuggest.managers import TaggableManager
+from tinymce.models import HTMLField as RichTextField
+
 from django.contrib.auth.models import User
 from django.contrib.gis.db import models as geomodels
-from django.template.defaultfilters import slugify
+from django.db import models
+from django.db.models.signals import post_save
 from django.forms.widgets import DateInput
+from django.template.defaultfilters import slugify
 from django.urls import reverse
-
 from django.utils import timezone
 from django.utils.functional import cached_property
 from django.utils.html import strip_tags
 
-from taggit_autosuggest.managers import TaggableManager
-from tinymce.models import HTMLField as RichTextField
-
-from authens.signals import post_cas_connect
-from authens.models import CASAccount
-
-from datetime import timedelta
-
-from .utils import choices_length, is_email_ens
 from .statics import (
     DEPARTEMENTS_DEFAUT,
-    PAYS_OPTIONS,
-    TYPE_LIEU_OPTIONS,
-    TYPE_STAGE_OPTIONS,
-    TYPE_LIEU_DICT,
-    TYPE_STAGE_DICT,
-    NIVEAU_SCOL_OPTIONS,
     NIVEAU_SCOL_DICT,
+    NIVEAU_SCOL_OPTIONS,
+    PAYS_OPTIONS,
+    TYPE_LIEU_DICT,
+    TYPE_LIEU_OPTIONS,
+    TYPE_STAGE_DICT,
+    TYPE_STAGE_OPTIONS,
 )
+from .utils import choices_length, is_email_ens
 
 
 def _default_cas_login():
diff --git a/avisstage/templatetags/avisstage_tags.py b/avisstage/templatetags/avisstage_tags.py
index bba61d5..eb31cc5 100644
--- a/avisstage/templatetags/avisstage_tags.py
+++ b/avisstage/templatetags/avisstage_tags.py
@@ -1,8 +1,9 @@
 # coding: utf-8
+import re
+
 from django import template
 
-from avisstage.forms import LieuForm, FeedbackForm
-import re
+from avisstage.forms import FeedbackForm, LieuForm
 
 register = template.Library()
 
diff --git a/avisstage/tests.py b/avisstage/tests.py
index 2c9b760..559b50b 100644
--- a/avisstage/tests.py
+++ b/avisstage/tests.py
@@ -1,16 +1,15 @@
-from authens.tests.cas_utils import FakeCASClient
-from authens.models import CASAccount, OldCASAccount
-
 from datetime import date, timedelta
-
-from django.test import TestCase
-from django.urls import reverse
-from django.conf import settings
-from django.utils import timezone
-
 from unittest import mock
 
-from .models import User, Normalien, Lieu, Stage, StageMatiere, AvisLieu
+from authens.models import CASAccount, OldCASAccount
+from authens.tests.cas_utils import FakeCASClient
+
+from django.conf import settings
+from django.test import TestCase
+from django.urls import reverse
+from django.utils import timezone
+
+from .models import AvisLieu, Lieu, Normalien, Stage, StageMatiere, User
 
 
 class ExperiENSTestCase(TestCase):
diff --git a/avisstage/urls.py b/avisstage/urls.py
index b7ce528..97647e7 100644
--- a/avisstage/urls.py
+++ b/avisstage/urls.py
@@ -1,7 +1,9 @@
-from django.urls import include, path
-from . import views, api
 from tastypie.api import Api
 
+from django.urls import include, path
+
+from . import api, views
+
 v1_api = Api(api_name="v1")
 v1_api.register(api.LieuResource())
 v1_api.register(api.StageResource())
diff --git a/avisstage/views.py b/avisstage/views.py
index 57fcaba..ce26aa2 100644
--- a/avisstage/views.py
+++ b/avisstage/views.py
@@ -1,49 +1,49 @@
 # coding: utf-8
 
-from django.shortcuts import render, redirect, get_object_or_404
+import math
+import random
+from collections import Counter, defaultdict
+
+from braces.views import LoginRequiredMixin
+from simple_email_confirmation.models import EmailAddress
 
-from django.views.generic import (
-    DetailView,
-    ListView,
-    UpdateView,
-    CreateView,
-    TemplateView,
-    DeleteView,
-    FormView,
-    View,
-)
-from django.views.generic.detail import SingleObjectMixin
 from django import forms
-from django.urls import reverse, reverse_lazy
 from django.conf import settings
+from django.contrib import messages
 from django.contrib.admin.views.decorators import staff_member_required
 from django.contrib.auth.decorators import login_required
 from django.contrib.auth.tokens import default_token_generator
 from django.contrib.auth.views import PasswordResetConfirmView
-from django.contrib import messages
-from braces.views import LoginRequiredMixin
-from django.http import JsonResponse, HttpResponseForbidden, Http404
 from django.core.mail import send_mail
-from django.db.models import Q, Count
-from collections import Counter, defaultdict
-from simple_email_confirmation.models import EmailAddress
-
-from .models import Normalien, Stage, Lieu, AvisLieu, AvisStage
-from .forms import (
-    StageForm,
-    LieuForm,
-    AvisStageForm,
-    AvisLieuForm,
-    FeedbackForm,
-    AdresseEmailForm,
-    ReinitMdpForm,
+from django.db.models import Count, Q
+from django.http import Http404, HttpResponseForbidden, JsonResponse
+from django.shortcuts import get_object_or_404, redirect, render
+from django.urls import reverse, reverse_lazy
+from django.views.generic import (
+    CreateView,
+    DeleteView,
+    DetailView,
+    FormView,
+    ListView,
+    TemplateView,
+    UpdateView,
+    View,
 )
+from django.views.generic.detail import SingleObjectMixin
+
+from .forms import (
+    AdresseEmailForm,
+    AvisLieuForm,
+    AvisStageForm,
+    FeedbackForm,
+    LieuForm,
+    ReinitMdpForm,
+    StageForm,
+)
+from .models import AvisLieu, AvisStage, Lieu, Normalien, Stage
 from .utils import en_scolarite
-
 from .views_search import *
 
-import random, math
-
 #
 # LECTURE
 #
diff --git a/avisstage/views_search.py b/avisstage/views_search.py
index f8fe183..f88b411 100644
--- a/avisstage/views_search.py
+++ b/avisstage/views_search.py
@@ -1,18 +1,17 @@
 # coding: utf-8
 
-from datetime import date
-
-from django import forms
-from django.contrib.auth.decorators import login_required
-from django.conf import settings
-from django.core.cache import cache
-from django.core.paginator import Paginator
-from django.db.models import Q, Case, When
-from django.http import JsonResponse, HttpResponseBadRequest
-from django.shortcuts import render, redirect, get_object_or_404
-
 import json
 import logging
+from datetime import date
+
+from django import forms
+from django.conf import settings
+from django.contrib.auth.decorators import login_required
+from django.core.cache import cache
+from django.core.paginator import Paginator
+from django.db.models import Case, Q, When
+from django.http import HttpResponseBadRequest, JsonResponse
+from django.shortcuts import get_object_or_404, redirect, render
 
 USE_ELASTICSEARCH = getattr(settings, "USE_ELASTICSEARCH", True)
 
@@ -21,8 +20,7 @@ if USE_ELASTICSEARCH:
 
 from .decorators import en_scolarite_required
 from .models import Stage
-from .statics import TYPE_LIEU_OPTIONS, TYPE_STAGE_OPTIONS, NIVEAU_SCOL_OPTIONS
-
+from .statics import NIVEAU_SCOL_OPTIONS, TYPE_LIEU_OPTIONS, TYPE_STAGE_OPTIONS
 
 logger = logging.getLogger("recherche")
 
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..81f23f8
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,10 @@
+[flake8]
+max-line-length = 99
+exclude = .git, *.pyc, __pycache__, migrations
+extend-ignore = E231, E203
+
+[isort]
+profile = black
+known_django = django
+known_first_party = avisstage
+sections = FUTURE,STDLIB,THIRDPARTY,DJANGO,FIRSTPARTY,LOCALFOLDER