def filename_match(filename):
    if not options.filename:
        return True
    for pattern in options.filename:
        if fnmatch(filename, pattern):
            return True
Check if the separator is contained in passed arg
dataset/ETHPy150Open sahana/eden/static/scripts/tools/pep8.py/filename_match--crossover with--dataset/ETHPy150Open kakwa/pygraph_redis/pygraph_redis/directed_graph.py/Directed_graph._ensure_not_separator