added ruff test

tools/scene_assets/compile_scene.py

@@ -89,8 +89,8 @@ def _platform_lock_from_args(args):
 
 def _sealing_from_args(args):
     """The key material the command line points at, or ``None`` for a plain package."""
-    from orisys_app_shared.scene3d.contracts import Sealing
     from orisys_app_shared.scene3d import protect
+    from orisys_app_shared.scene3d.contracts import Sealing
 
     signing_pem = None
     if args.sign_key is not None:
@@ -191,7 +191,6 @@ def main(argv: list[str] | None = None) -> int:
 
     _bootstrap_paths()
     import numpy as np
-
     from orisys_app_shared.scene3d.contracts import ThreeDError
     from orisys_app_shared.scene3d.legacy import LegacyFingerImporter
     from orisys_app_shared.scene3d.package import describe_envelope, write_package