creating wrong encoded filenames

from random import randint, choice


def get_char():
    return randint(1, 255)

def make_file_name():
    return bytes(get_char() for _ in range(randint(5, 10)))

def create_files(n):
    for _ in range(n):
        try:
            open(make_file_name(), "w").close()
        except (FileNotFoundError, IsADirectoryError):
            # don't ask, why there could be a IsADirectoryError
            # but it demostates how bad it is to use broken unicode
            # for filenames
            pass


if __name__ == "__main__":
    create_files(20)