added ruff code reivew

tests/test_qt_viewer_backend.py

@@ -15,6 +15,11 @@ _EXAMPLES_DIR = _REPO_ROOT / "examples"
 if str(_EXAMPLES_DIR) not in sys.path:
     sys.path.insert(0, str(_EXAMPLES_DIR))
 
+from gui.sensors import (  # noqa: E402
+    FrameSnapshot,
+    _snapshot_from_sensor,
+    calibrate_normal_force,
+)
 from gui.viewer2d.backend import (  # noqa: E402
     QtViewerBackend,
     image_shape_meta,
@@ -22,12 +27,10 @@ from gui.viewer2d.backend import (  # noqa: E402
     scale_bgr_to_fit,
     select_display_image,
 )
-from gui.sensors import (  # noqa: E402
-    FrameSnapshot,
-    _snapshot_from_sensor,
-    calibrate_normal_force,
+
+from orisys.signal_processing import (
+    calibrate_normal_force as sdk_calibrate_normal_force,
 )
-from orisys.signal_processing import calibrate_normal_force as sdk_calibrate_normal_force
 
 
 class FakeForceAdapter: