Running the basic Google App
===

I am trying to run the basic google app in my localhost. But I seem to have some error which i am not able to solve:

Error when i typed: dev_appserver.py /Users/GoogleApp/helloworld


Traceback (most recent call last):

      File "/usr/local/bin/dev_appserver.py", line 133, in <module>
        run_file(__file__, globals())
      File "/usr/local/bin/dev_appserver.py", line 129, in run_file
        execfile(script_path, globals_)
      File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver_main.py", line 694, in <module>
        sys.exit(main(sys.argv))
      File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver_main.py", line 582, in main
        root_path, {}, default_partition=default_partition)
      File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 3217, in LoadAppConfig
        raise AppConfigNotFoundError
    google.appengine.tools.dev_appserver.AppConfigNotFoundError


Not able to solve it..