code: def get(self):
      
      try:
        app_user = InitUser()
  
        if (app_user.client_id and app_user.client_secret and
            app_user.adwords_manager_cid and app_user.developer_token and
            app_user.refresh_token):
          self.redirect('/showAccounts')
        else:
          self.redirect('/showCredentials')
      except Exception, e:
        logging.debug(str(e))
docs: Handle get request.