Another workaround:
- Open the appium 1.5.3 GUI, and fill in all required settings.
- There is an option to specify “Use External Appium Package” under “Developer Settings” menu. Mention the path to Appium 1.6.x and then LAUNCH. This will execute appium 1.6.x as below,
[Appium] Welcome to Appium v1.6.5 (REV 33fa80944ebff6b609e67712fb87ccc394cb327b)