def validate(option, value):
    lower = option.lower()
    validator = VALIDATORS.get(lower, raise_config_error)
    value = validator(option, value)
    return lower, value
Launch a new ec2 instance from the appropriate AMI and configure any
dataset/ETHPy150Open mongodb/mongo-python-driver/pymongo/common.py/validate--crossover with--dataset/ETHPy150Open winhamwr/neckbeard/neckbeard/cloud_provisioners/aws/ec2.py/Ec2NodeDeployment.create_new_node