def read_ignore_list(fn):
    return [i.strip() for i in open(fn) if not i.startswith('#')]
Verify value of variable |name| is a valid hostname.
dataset/ETHPy150Open daler/gffutils/gffutils/scripts/gffutils-flybase-convert.py/read_ignore_list--crossover with--dataset/ETHPy150Open spinnaker/spinnaker/pylib/spinnaker/validate_configuration.py/ValidateConfig.verify_host