Three ways we use the modulo operation example cannot run

[xiliuya]

Describe the bug
advance button output unchanged

To Reproduce
Steps to reproduce the bug:

1. Go to 'lesson-15-modulo‘
2. Click on 'advance()'
3. See traffic light unchanged

Expected behavior
traffic light change

Information about your device (please complete the following information):

• Operating System: [ Arch Linux ]
• Browser: [ FireFox ]

[henriquelalves]

Assigning myself to this issue because it's related to the Debugger node modifications I had to make on the App (specifically, how examples have to "reset" instead of saving their sate between runs)