diff --git a/med/admin.py b/med/admin.py
index e6365ff..acb795d 100644
--- a/med/admin.py
+++ b/med/admin.py
@@ -7,7 +7,6 @@ from django.contrib.auth.admin import Group, GroupAdmin
 from django.contrib.sites.admin import Site, SiteAdmin
 from django.utils.translation import gettext_lazy as _
 from django.views.decorators.cache import never_cache
-
 from media.models import Emprunt
 
 
diff --git a/media/admin.py b/media/admin.py
index 6c6a07c..23432ec 100644
--- a/media/admin.py
+++ b/media/admin.py
@@ -9,7 +9,7 @@ from reversion.admin import VersionAdmin
 
 from med.admin import admin_site
 from .forms import MediaAdminForm
-from .models import Auteur, Emprunt, Jeu, Media, FutureMedia
+from .models import Auteur, Emprunt, FutureMedia, Jeu, Media
 
 
 class AuteurAdmin(VersionAdmin):
diff --git a/media/forms.py b/media/forms.py
index 224dd0c..2a46052 100644
--- a/media/forms.py
+++ b/media/forms.py
@@ -41,7 +41,8 @@ class MediaAdminForm(ModelForm):
         Download data from google books
         :return True if success
         """
-        api_url = "https://www.googleapis.com/books/v1/volumes?q=ISBN:{}".format(isbn)
+        api_url = "https://www.googleapis.com/books/v1/volumes?q=ISBN:{}"\
+            .format(isbn)
         with urllib.request.urlopen(api_url) as url:
             data = json.loads(url.read().decode())
 
@@ -173,7 +174,8 @@ class MediaAdminForm(ModelForm):
                     if not scrap_result:
                         # Try with OpenLibrary
                         if not self.download_data_openlibrary(isbn):
-                            self.add_error('isbn', _("This ISBN is not found."))
+                            self.add_error('isbn',
+                                           _("This ISBN is not found."))
                             return self.cleaned_data
 
                 if self.cleaned_data['title']: