def _setup_appengine_sdk(session):
 session.env['GAE_SDK_PATH'] = os.path.join(_GAE_ROOT, 'google_appengine')
 session.run('gcprepotools', 'download-appengine-sdk', _GAE_ROOT)

def _setup_appengine_sdk ( session ) : session . env [ 'GAE_SDK_PATH' ] = os . path . join ( _GAE_ROOT , 'google_appengine' ) session . run ( 'gcprepotools' , 'download-appengine-sdk' , _GAE_ROOT )
installs the app engine sdk .