code formatting cleanup of argparser
code formatting cleanup of argparser

jsannemo/problemtools,Kattis/problemtools,jsannemo/problemtools,ghamerly/problemtools,jsannemo/problemtools,Kattis/problemtools,ghamerly/problemtools,ghamerly/problemtools,Kattis/problemtools,Kattis/problemtools,jsannemo/problemtools,ghamerly/problemtools