def validate_string_or_none(option, value):
    if value is None:
        return value
    return validate_string(option, value)
Establish that we are able to create a job and attach tags to it.
dataset/ETHPy150Open mongodb/mongo-python-driver/pymongo/common.py/validate_string_or_none--crossover with--dataset/ETHPy150Open ansible/tower-cli/tests/test_resources_job.py/LaunchTests.test_launch_w_tags