失败：TypeError:异常必须是oldstyle类或派生自BaseException，而不是unicode Robotfram

Question

当我试图运行Appium RobotframeWork时，我遇到了上述错误

我的示例代码：

*** Settings ***
Library           AppiumLibrary

     Test Cases
        AB
        Open Application 
        ...    http://localhost:4723/wd/hub
        ...    platformName=Android
        ...    platformVersion=8.0.0
        ...    deviceName=emulator-5554
        ...    appPackage=com.grabqpons.android
        ...    appActivity=com.grabqpons.android.MainActivity

        Sleep    2s
        Click Button    xpath=//*[startswith(@id,'slide-skip-btn')]
        Sleep    2s

回应：

^{pr2}$