def validate_is(a,b, message='', exception=None):
    if not a is b:
        name,l = scoped_validation()
        ArgCheck(name,exception).validation(False,message,l)
Test that a VendorIdentification object can be constructed with no
dataset/ETHPy150Open ooici/pyon/pyon/util/arg_check.py/validate_is--crossover with--dataset/ETHPy150Open OpenKMIP/PyKMIP/kmip/tests/unit/core/misc/test_misc.py/TestVendorIdentification.test_init_with_none