Update ulab example.
Update ulab example.

kwagyeman/openmv,iabdalkader/openmv,iabdalkader/openmv,openmv/openmv,kwagyeman/openmv,openmv/openmv,openmv/openmv,kwagyeman/openmv,iabdalkader/openmv,iabdalkader/openmv,kwagyeman/openmv,openmv/openmv