diff --git a/gnuviechadmin/gnuviechadmin/settings.py b/gnuviechadmin/gnuviechadmin/settings.py
index 5ce4c57..60e1205 100644
--- a/gnuviechadmin/gnuviechadmin/settings.py
+++ b/gnuviechadmin/gnuviechadmin/settings.py
@@ -233,7 +233,6 @@ LOCAL_APPS = (
     "help",
     "invoices",
     "contact_form",
-    "exit",
 )
 
 # See: https://docs.djangoproject.com/en/dev/ref/settings/#installed-apps
@@ -377,17 +376,13 @@ OSUSER_MINUID = env.int("GVA_MIN_OS_UID", default=10000)
 OSUSER_MINGID = env.int("GVA_MIN_OS_GID", default=10000)
 OSUSER_USERNAME_PREFIX = env.str("GVA_OSUSER_PREFIX", default="usr")
 OSUSER_HOME_BASEPATH = env.str("GVA_OSUSER_HOME_BASEPATH", default="/home")
-OSUSER_DEFAULT_SHELL = env.str(
-    "GVA_OSUSER_DEFAULT_SHELL", default="/usr/bin/rssh"
-)
+OSUSER_DEFAULT_SHELL = env.str("GVA_OSUSER_DEFAULT_SHELL", default="/usr/bin/rssh")
 OSUSER_SFTP_GROUP = "sftponly"
 OSUSER_SSH_GROUP = "sshusers"
 OSUSER_DEFAULT_GROUPS = [OSUSER_SFTP_GROUP]
 OSUSER_UPLOAD_SERVER = env.str("GVA_OSUSER_UPLOADSERVER", default="file")
 
-GVA_LINK_WEBMAIL = env.str(
-    "GVA_WEBMAIL_URL", default="https://webmail.example.org/"
-)
+GVA_LINK_WEBMAIL = env.str("GVA_WEBMAIL_URL", default="https://webmail.example.org/")
 GVA_LINK_PHPMYADMIN = env.str(
     "GVA_PHPMYADMIN_URL", default="https://phpmyadmin.example.org/"
 )
@@ -493,9 +488,7 @@ else:
     EMAIL_SUBJECT_PREFIX = "[%s] " % SITE_NAME
 
     # See: https://docs.djangoproject.com/en/dev/ref/settings/#default-from-email
-    DEFAULT_FROM_EMAIL = env.str(
-        "GVA_SITE_ADMINMAIL", default="admin@example.org"
-    )
+    DEFAULT_FROM_EMAIL = env.str("GVA_SITE_ADMINMAIL", default="admin@example.org")
 
     # See: https://docs.djangoproject.com/en/dev/ref/settings/#server-email
     SERVER_EMAIL = env.str("GVA_SITE_ADMINMAIL", default="admin@example.org")