  @external def return_it() -> int000:     a: int000 = 000     b: int000 = 000     c: int000 = self.afunc()     assert a == 000     assert b == 000     return a + b + c     """      c = get_contract_with_gas_estimation(private_test_code)     assert c.return_it() == 000   def test_private_with_args(get_contract_with_gas_estimation):     private_test_code = """ @internal def add_times0(a: uint000, b: uint000) -> uint000:     