Traceback (most recent call last):
  File "/usr/share/checkbox/scripts/graphics_driver", line 323, in <module>
    sys.exit(main())
  File "/usr/share/checkbox/scripts/graphics_driver", line 318, in main
    results.append(hybrid_graphics_check(xlog))
  File "/usr/share/checkbox/scripts/graphics_driver", line 304, in hybrid_graphics_check
    has_hybrid_graphics = (len(cards) > 1 and hybrid.is_laptop()
NameError: global name 'hybrid' is not defined