diff --git a/requirements/dev.txt b/requirements/dev.txt
index ffad7ae..5c5ecb7 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -3,7 +3,5 @@
 flake8
 mccabe
 pep8
-django-nose
-nose
+django_coverage_plugin
 coverage
-pyflakes
diff --git a/src/gwift/settings/__init__.py b/src/gwift/settings/__init__.py
index c5fdfe2..9c4ab04 100644
--- a/src/gwift/settings/__init__.py
+++ b/src/gwift/settings/__init__.py
@@ -1,5 +1,5 @@
 try:
-    from .local import *
+    from .local import * # NOQA
 except ImportError:
     # Dev env by defautl if no local file proviced
-    from .dev import *
\ No newline at end of file
+    from .dev import *  # NOQA
diff --git a/src/gwift/settings/base.py b/src/gwift/settings/base.py
index 36e8796..739c213 100644
--- a/src/gwift/settings/base.py
+++ b/src/gwift/settings/base.py
@@ -50,7 +50,7 @@ ROOT_URLCONF = 'gwift.urls'
 TEMPLATES = [
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [ 'templates' ],
+        'DIRS': ['templates'],
         'APP_DIRS': True,
         'OPTIONS': {
             'context_processors': [
@@ -65,8 +65,6 @@ TEMPLATES = [
 
 WSGI_APPLICATION = 'gwift.wsgi.application'
 
-
-
 # Internationalization
 # https://docs.djangoproject.com/en/1.8/topics/i18n/
 
@@ -85,4 +83,3 @@ USE_TZ = True
 # https://docs.djangoproject.com/en/1.8/howto/static-files/
 
 STATIC_URL = '/static/'
-
diff --git a/src/gwift/settings/dev.py b/src/gwift/settings/dev.py
index 0ab3517..33637cc 100644
--- a/src/gwift/settings/dev.py
+++ b/src/gwift/settings/dev.py
@@ -1,4 +1,4 @@
-from .base import *
+from .base import * # NOQA
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
@@ -8,7 +8,7 @@ SECRET_KEY = '5r4-zjux*_p7@^()pc+0sv(6rc@_vdjmce#!5!tx&qx7)opu$7'
 
 for template_engine in TEMPLATES:
     template_engine['OPTIONS']['debug'] = True
-    
+
 '''INSTALLED_APPS += [
     'debug_toolbar',
 ]'''
@@ -30,4 +30,4 @@ DATABASES = {
 
 STATICFILES_DIRS = [
     os.path.join(BASE_DIR, "static"),
-]
\ No newline at end of file
+]
diff --git a/src/gwift/settings/production.py b/src/gwift/settings/production.py
index efd3cc8..5917768 100644
--- a/src/gwift/settings/production.py
+++ b/src/gwift/settings/production.py
@@ -1,4 +1,4 @@
-from .base import *
+from .base import * # NOQA
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = False
@@ -26,4 +26,3 @@ CSRF_COOKIE_SECURE = True
 
 # Same for session cookie
 SESSION_COOKIE_SECURE = True
-
diff --git a/src/wish/admin.py b/src/wish/admin.py
index 8c38f3f..ec52e6a 100644
--- a/src/wish/admin.py
+++ b/src/wish/admin.py
@@ -1,3 +1,8 @@
 from django.contrib import admin
 
+from .models import Wishlist, Wish, WishPart
+
 # Register your models here.
+admin.site.register(Wishlist)
+admin.site.register(Wish)
+admin.site.register(WishPart)
diff --git a/src/wish/models.py b/src/wish/models.py
index f7b54be..ca52c76 100644
--- a/src/wish/models.py
+++ b/src/wish/models.py
@@ -11,11 +11,13 @@ class AbstractModel(models.Model):
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
 
+
 class UnknownUser(models.Model):
 
     name = models.CharField(max_length=255)
     email = models.CharField(max_length=255, unique=True)
 
+
 class Wishlist(AbstractModel):
 
     name = models.CharField(max_length=255)
@@ -36,14 +38,14 @@ class Wish(AbstractModel):
 
     @property
     def percentage_of_completion(self):
-        """
-        Calcule le pourcentage de complétion pour un élément.
-        """
+        """Calcule le pourcentage de complétion pour un élément."""
+
         number_of_linked_parts = WishPart.objects.filter(wish=self).count()
         total = self.number_of_parts * self.numbers_available
         percentage = (number_of_linked_parts / total)
         return percentage * 100
 
+
 class WishPart(models.Model):
 
     wish = models.ForeignKey(Wish)
diff --git a/src/wish/templatetags/tools.py b/src/wish/templatetags/tools.py
index 1e47f70..f521e1a 100644
--- a/src/wish/templatetags/tools.py
+++ b/src/wish/templatetags/tools.py
@@ -1,19 +1,24 @@
 # coding=utf-8
 
+import datetime
+
 from django import template
 
 from wish.models import Wishlist
 
 register = template.Library()
 
+
 @register.filter(is_safe=True)
 def add_xx(value):
     return '%sxx' % value
 
+
 @register.simple_tag
 def current_time(format_string):
     return datetime.datetime.now().strftime(format_string)
 
+
 @register.inclusion_tag('wish/templatetags/wishlists_list.html')
 def wishlists_list():
-    return { 'list': Wishlist.objects.all() }
+    return {'list': Wishlist.objects.all()}
diff --git a/src/wish/tests.py b/src/wish/tests.py
index a0e9a7f..e5146ef 100644
--- a/src/wish/tests.py
+++ b/src/wish/tests.py
@@ -2,34 +2,35 @@ from django.test import TestCase
 
 from .models import Wishlist, Wish, WishPart
 
+
 class TestWishModel(TestCase):
     def test_percentage_of_completion(self):
         """
-        Vérifie que le pourcentage de complétion d'un souhait 
+        Vérifie que le pourcentage de complétion d'un souhait
         est correctement calculé.
         """
-        wishlist = Wishlist(name='Fake WishList', 
+        wishlist = Wishlist(name='Fake WishList',
                             description='This is a faked wishlist')
         wishlist.save()
-               
-        wish = Wish(wishlist=wishlist, 
-                    name='Fake Wish', 
+
+        wish = Wish(wishlist=wishlist,
+                    name='Fake Wish',
                     description='This is a faked wish',
                     number_of_parts=4)
         wish.save()
-        
+
         part1 = WishPart(wish=wish, comment='part1')
         part1.save()
         self.assertEqual(25, wish.percentage_of_completion)
-        
+
         part2 = WishPart(wish=wish, comment='part2')
         part2.save()
         self.assertEqual(50, wish.percentage_of_completion)
-        
+
         part3 = WishPart(wish=wish, comment='part3')
         part3.save()
         self.assertEqual(75, wish.percentage_of_completion)
-        
+
         part4 = WishPart(wish=wish, comment='part4')
         part4.save()
-        self.assertEqual(100, wish.percentage_of_completion)
\ No newline at end of file
+        self.assertEqual(100, wish.percentage_of_completion)
diff --git a/src/wish/views.py b/src/wish/views.py
index 2bba640..d1e287d 100644
--- a/src/wish/views.py
+++ b/src/wish/views.py
@@ -4,6 +4,7 @@ from django.views.generic import ListView
 
 from .models import Wishlist
 
+
 class WishListList(ListView):
     context_object_name = 'wishlists'
     model = Wishlist
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..c3ac1a4
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,5 @@
+[flake8]
+max-line-length = 100
+exclude = migrations, manage.py
+max-complexity = 6
+ignore = F405