转自：https://stackoverflow.com/questions/40129794/how-to-fix-error-could-not-detect-mac-os-x-version-from-sw-vers-output-10-12
installed appium-1.5.3.dmg But when I click the stethoscope button the Appium is show error :
✔ Xcode is installed at: /Library/Developer/CommandLineTools
[Error: Could not detect Mac OS X Version from sw_vers output: '10.12
']
Terminal will show :
/Applications/Appium.app//Contents/Resources/node_modules/appium/node_modules/appium-support/build/lib/system.js
/Applications/Appium.app//Contents/Resources/node_modules/appium/node_modules/appium-support/lib/system.js
/Applications/Appium.app//Contents/Resources/node_modules/appium-support/build/lib/system.js
/Applications/Appium.app//Contents/Resources/node_modules/appium-support/lib/system.js
手动将文件修改例：
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