diff --git a/WikiENS/settings/common.py b/WikiENS/settings/common.py
index 67cdbc7..87862de 100644
--- a/WikiENS/settings/common.py
+++ b/WikiENS/settings/common.py
@@ -35,9 +35,7 @@ DBPASSWD = import_secret("DBPASSWD")
 
 SERVER_EMAIL = "wiki@www.eleves.ens.fr"
 
-BASE_DIR = os.path.dirname(
-    os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 
 INSTALLED_APPS = [
@@ -176,9 +174,9 @@ ACCOUNT_HOME_URL = HOME_URL
 ACCOUNT_USER_DISPLAY = _user_display
 
 SOCIALACCOUNT_PROVIDERS = {
-    'clipper': {
-        'MESSAGE_SUGGEST_LOGOUT_ON_LOGOUT': True,
-        'MESSAGE_SUGGEST_LOGOUT_ON_LOGOUT_LEVEL': messages.INFO,
+    "clipper": {
+        "MESSAGE_SUGGEST_LOGOUT_ON_LOGOUT": True,
+        "MESSAGE_SUGGEST_LOGOUT_ON_LOGOUT_LEVEL": messages.INFO,
     },
 }
 
@@ -215,7 +213,7 @@ WIKI_REVISIONS_PER_MINUTES = 180
 # This is needed for django-allauth-cas, see
 # https://blog.ubuntu.com/2015/08/18/django-behind-a-proxy-fixing-absolute-urls
 USE_X_FORWARDED_HOST = True
-SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
+SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
 
 # Use sign up, login, logout, profile settings views of allauth.
 WIKI_ACCOUNT_HANDLING = False
diff --git a/WikiENS/settings/local.py b/WikiENS/settings/local.py
index b35822d..6771ca2 100644
--- a/WikiENS/settings/local.py
+++ b/WikiENS/settings/local.py
@@ -11,6 +11,6 @@ DEBUG = True
 DATABASES = {
     "default": {
         "ENGINE": "django.db.backends.sqlite3",
-        "NAME": os.path.join(BASE_DIR, "db.sqlite3")
+        "NAME": os.path.join(BASE_DIR, "db.sqlite3"),
     }
 }
diff --git a/WikiENS/settings/secret_example.py b/WikiENS/settings/secret_example.py
index 5fc6f4f..499f35d 100644
--- a/WikiENS/settings/secret_example.py
+++ b/WikiENS/settings/secret_example.py
@@ -1,4 +1,4 @@
-SECRET_KEY = '_u5q4-^1qgkqg=i5o5ha*xkd@82#l$e+%m)$v+4y#t-5!g-%g2'
+SECRET_KEY = "_u5q4-^1qgkqg=i5o5ha*xkd@82#l$e+%m)$v+4y#t-5!g-%g2"
 ADMINS = None
 EMAIL_HOST = "localhost"