def layout_constraints(self):
        cns = self.constraints[:]
        if not cns:
            cns.append(vbox(*self.widgets()))
        return cns
Convert JSON schema to the format used internally by the AWS CLI.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/widgets/container.py/Container.layout_constraints--crossover with--dataset/ETHPy150Open aws/aws-cli/awscli/schema.py/SchemaTransformer.transform