added ruff code reivew

examples/gui/viewer3d/dashboard.py

@@ -6,6 +6,9 @@ import math
 import sys
 import time
 
+from pipeline.config import PipelineConfig
+from pipeline.csv_recorder import CsvRecorder
+from pipeline.service import FingerPipeline
 from PyQt5.QtCore import Qt, QTimer
 from PyQt5.QtGui import QIcon
 from PyQt5.QtWidgets import (
@@ -17,23 +20,17 @@ from PyQt5.QtWidgets import (
     QWidget,
 )
 
-from pipeline.config import PipelineConfig
-from pipeline.csv_recorder import CsvRecorder
-from pipeline.service import FingerPipeline
-
 from gui.app_paths import resource_path
+from gui.widgets import TeeStream, WidgetLogHandler, make_log_widget
+
 from .camera_discovery import list_cameras, pick_default_camera
-from .preferences import get_preferred_video_source, load_preferences, save_preferences
 from .layout import (
-    DashboardLayout,
     LAYOUT,
-    PANEL_SETUP,
-    PanelSetup,
-    top_row_splitter_sizes,
+    DashboardLayout,
 )
 from .mesh_view_state import MeshViewState
+from .preferences import get_preferred_video_source, load_preferences, save_preferences
 from .styles import STYLE
-from gui.widgets import TeeStream, WidgetLogHandler, make_log_widget
 from .widgets import (
     ArrowPanelWidget,
     ForceChartWidget,