Prettify code, change ENV variable name

src/paperless/settings.py

@@ -95,7 +95,13 @@ WSGI_APPLICATION = 'paperless.wsgi.application'
 DATABASES = {
     "default": {
         "ENGINE": "django.db.backends.sqlite3",
-        "NAME": os.path.join(os.getenv("PAPERLESS_DBLOCATION",os.path.join(BASE_DIR, "..", "data")), "db.sqlite3")
+        "NAME": os.path.join(
+                    os.getenv(
+                        "PAPERLESS_DBDIR",
+                        os.path.join(BASE_DIR, "..", "data")
+                    ),
+                    "db.sqlite3"
+                )
     }
 }