Update tracking-i2c.py
Update tracking-i2c.py

detach x and y servos from virtual Arduino before attaching them to AdaFruit16C servo driver
MyRobotLab/pyrobotlab,MyRobotLab/pyrobotlab,MyRobotLab/pyrobotlab,MyRobotLab/pyrobotlab,MyRobotLab/pyrobotlab