No I didn't so I stopped the script and run the commands again:
pi@brewpi:~ $ sudo cat /etc/udev/rules.d/99-arduino.rules
SUBSYSTEM=="tty", ATTRS{serial}=="757353530383518120F0", SYMLINK+="left"
pi@brewpi:~ $ ls -al /dev/left
lrwxrwxrwx 1 root root 7 Sep 26 20:20 /dev/left -> ttyACM0...