def deploy_rpc_test_contract(deploy_client, name):
    contract_path, contracts = get_test_contract(f"{name}.sol")
    contract_proxy, _ = deploy_client.deploy_solidity_contract(
        name, contracts, libraries=dict(), constructor_parameters=None, contract_path=contract_path
    )

    return contract_proxy
def add_item(self, item):
    self._vbox_items.pack_start(item.widget, expand=False, fill=False)