def set_username(username):
    config.set('octogit', 'username', username)
    commit_changes()
tokenize() should ignore non [a-z] characters.
dataset/ETHPy150Open myusuf3/octogit/octogit/config.py/set_username--crossover with--dataset/ETHPy150Open davidmcclure/textplot/test/utils/test_tokenize.py/test_ignore_non_letters