[settings] remove some empty lines

src/dx/settings.py

@@ -7,15 +7,11 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 class Base(Configuration):
     DEBUG = False
     DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
-
     INSTALLED_APPS = [
         "dx",
     ]
-
     ROOT_URLCONF = "dx.urls"
-
     SECRET_KEY = "django-insecure-cbgvn=orgh$&6l-w91pp2=(b#hjwe1z&ijwiafgt(py1lq5i85"
-
     TEMPLATES = [
         {
             "BACKEND": "django.template.backends.django.DjangoTemplates",
@@ -23,23 +19,19 @@ class Base(Configuration):
             "APP_DIRS": True,
         },
     ]
-
     USE_TZ = True
 
 
 class Dev(Base):
     # Dangerous: disable host header validation
     ALLOWED_HOSTS = ["*"]
-
     DATABASES = {
         "default": {
             "ENGINE": "django.db.backends.sqlite3",
             "NAME": "db.sqlite3",
         },
     }
-
     DEBUG = True
-
     INSTALLED_APPS = Base.INSTALLED_APPS + ["django_extensions"]