Update pyproject.toml

Automatically created by the almighty Aleksolotl.

aleksis/apps/untis/management/commands/untis_import_mysql.py

@@ -25,6 +25,6 @@ class Command(BaseCommand):
     def handle(self, *args, **options):
         command = COMMANDS_BY_NAME[options["command"]]
         background = options["background"]
-        school_id = options.get("school_id", None)
-        version = options.get("plan_version", None)
+        school_id = options.get("school_id")
+        version = options.get("plan_version")
         command.run(background=background, school_id=school_id, version=version)