Appium doctor在Mac OS 10.12.4中显示语法错误

Question

我第一次收到其他错误并按照以下链接

中的步骤操作

How to fix error "Could not detect Mac OS X Version from sw_vers output: '10.12 '" from Appium

之后Appium Doctor显示此错误：

SyntaxError: Unexpected number

at exports.runInThisContext (vm.js:53:16)

at Module._compile (module.js:387:25)

at Object.Module._extensions..js (module.js:422:10)

at Module.load (module.js:357:32)

at Function.Module._load (module.js:314:12)

at Module.require (module.js:367:17)

at require (internal/module.js:16:19)

at Object.<anonymous> (index.js:1:20)

at Module._compile (module.js:413:34)

at Object.Module._extensions..js (module.js:422:10)

at Module.load (module.js:357:32)

at Function.Module._load (module.js:314:12)

at Module.require (module.js:367:17)

at require (internal/module.js:16:19)

at Object.<anonymous> (lib/xcode.js:1:42)

at Module._compile (module.js:413:34)

请帮我解决这个问题。