def is_possible_number_string(number, region_dialing_from):
    try:
        return is_possible_number(parse(number, region_dialing_from))
    except NumberParseException:
        return False
Subscribers should not be allowed to create a subscription.
dataset/ETHPy150Open daviddrysdale/python-phonenumbers/python/phonenumbers/phonenumberutil.py/is_possible_number_string--crossover with--dataset/ETHPy150Open nickjj/build-a-saas-app-with-flask/catwatch/tests/billing/test_views.py/TestBilling.test_subscription_create_as_subscriber