I am a junior developer. How do I handle disagreement in a code review regarding an unlikely edge case?

I am working at a robotics startup on a path coverage team and after submitting a pull request, my code gets reviewed.

My teammate, who has been on the team for more than a year, has made some comments to my code that suggest I do a lot more work than I believe to be necessary. No, I am not a lazy developer. I love elegant code that has good comments, variable names, indentation and handles cases properly. However, he has a different type of organization in mind that I don’t agree with.

What do I do? 

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