如何在Python for Python 2上安装PyQt5？(How to install PyQt5 on Windows for Python 2?)

 阅读这个问题以及过去发生的讨论。 只需让props.error可选项并检查代码中的值即可。 否则，你需要实现自己的自定义道具验证 。 
 
 从文档： 
 
// You can also specify a custom validator. It should return an Error
// object if the validation fails. Don't `console.warn` or throw, as this
// won't work inside `oneOfType`.
customProp: function(props, propName, componentName) {
  if (!/matchme/.test(props[propName])) {
    return new Error(
      'Invalid prop `' + propName + '` supplied to' +
      ' `' + componentName + '`. Validation failed.'
    );
  }
}

Read this issue and this issue for discussions happened in the past. Just make props.error optional and check the value in your code. Otherwise, you would need to implement your own custom prop validation. 
 
From the docs:
 
// You can also specify a custom validator. It should return an Error
// object if the validation fails. Don't `console.warn` or throw, as this
// won't work inside `oneOfType`.
customProp: function(props, propName, componentName) {
  if (!/matchme/.test(props[propName])) {
    return new Error(
      'Invalid prop `' + propName + '` supplied to' +
      ' `' + componentName + '`. Validation failed.'
    );
  }
}