            def getHostByName(self, name, timeout=None):
                if name not in lookups:
                    return fail(DNSLookupError("OH NO: unknown %s" % (name,)))
                return succeed(lookups[name])
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.