Unzip error appium-app.zip file

Hi,

I have installed appium on my mac when try to run a new test , I am getting Test zip archive threw error. Did i miss anything when i was installing.

[debug] [BaseDriver] Copying local zip to tmp dir
[debug] [BaseDriver] Unzipping /var/folders/s_/fnpn_zws5yq5h166nspw4dmc0000gn/T/2017912-19606-9y9ifp.52ifl/appium-app.zip
[debug] [BaseDriver] Testing zip archive: /var/folders/s_/fnpn_zws5yq5h166nspw4dmc0000gn/T/2017912-19606-9y9ifp.52ifl/appium-app.zip
[BaseDriver] Test zip archive threw error Error: Command ‘unzip -tq /var/folders/s_/fnpn_zws5yq5h166nspw4dmc0000gn/T/2017912-19606-9y9ifp.52ifl/appium-app.zip’ exited with code 9
[BaseDriver] Stderr:
[BaseDriver] Stdout: [/var/folders/s_/fnpn_zws5yq5h166nspw4dmc0000gn/T/2017912-19606-9y9ifp.52ifl/appium-app.zip]
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
unzip: cannot find zipfile directory in one of /var/folders/s_/fnpn_zws5yq5h166nspw4dmc0000gn/T/2017912-19606-9y9ifp.52ifl/appium-app.zip or
/var/folders/s_/fnpn_zws5yq5h166nspw4dmc0000gn/T/2017912-19606-9y9ifp.52ifl/appium-app.zip.zip, and cannot find /var/folders/s_/fnpn_zws5yq5h166nspw4dmc0000gn/T/2017912-19606-9y9ifp.52ifl/appium-app.zip.ZIP, period.

[XCUITest] Error: Error testing zip archive, are you sure this is a zip file?
at testZipArchive$ (…/…/…/lib/basedriver/helpers.js:213:11)
at tryCatch (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:67:40)
at GeneratorFunctionPrototype.invoke [as _invoke] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:315:22)
at GeneratorFunctionPrototype.prototype.(anonymous function) [as throw] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
at GeneratorFunctionPrototype.invoke (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:136:37)
at
Error: Error testing zip archive, are you sure this is a zip file?
at testZipArchive$ (…/…/…/lib/basedriver/helpers.js:213:11)
at tryCatch (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:67:40)
at GeneratorFunctionPrototype.invoke [as _invoke] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:315:22)
at GeneratorFunctionPrototype.prototype.(anonymous function) [as throw] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
at GeneratorFunctionPrototype.invoke (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:136:37)
at