fix format

Signed-off-by: YunLiu <[email protected]>

Author: KumoLiu

modules/omniverse/omniverse_integration.ipynb

@@ -543,10 +543,10 @@
     "render_window.SetOffScreenRendering(1)\n",
     "\n",
     "# Step 5: Create a render window interactor\n",
-    "renderWindowInteractor = vtk.vtkRenderWindowInteractor()\n",
-    "renderWindowInteractor.SetRenderWindow(render_window)\n",
-    "interactorStyle = vtk.vtkInteractorStyleTrackballCamera()\n",
-    "renderWindowInteractor.SetInteractorStyle(interactorStyle)\n",
+    "render_window_interactor = vtk.vtkRenderWindowInteractor()\n",
+    "render_window_interactor.SetRenderWindow(render_window)\n",
+    "interactor_style = vtk.vtkInteractorStyleTrackballCamera()\n",
+    "render_window_interactor.SetInteractorStyle(interactor_style)\n",
     "render_window.Render()\n",
     "\n",
     "interactive_widget = ViewInteractiveWidget(render_window)\n",