Automatic test pipeline fix

examples/demo.py

@@ -162,7 +162,7 @@ class Demo:
 
     @staticmethod
     def run_complex_scene():
-        demo_001 = Demo(Scenario_Generator.load_scenario('demo_001.pkl'))
+        demo_001 = Demo(Scenario_Generator.load_scenario('complex_scene.pkl'))
         demo_001.set_record_frames(os.path.join(__file_dirname__, '..', 'rendering', 'frame_{:04d}.bmp'))
         demo_001.run_demo(120)