code: def _handle_get_application_request(self, app_id, semver, key, logical_id):
          
          get_application = (lambda app_id, semver: self._sar_client.get_application(
                                     ApplicationId=self._sanitize_sar_str_param(app_id),
                                     SemanticVersion=self._sanitize_sar_str_param(semver)))
          try:
              self._sar_service_call(get_application, logical_id, app_id, semver)
              self._applications[key] = {'Available'}
          except EndpointConnectionError as e:
              # No internet connection. Don't break verification, but do show a warning.
              warning_message = "{}. Unable to verify access to {}/{}.".format(e, app_id, semver)
              logging.warning(warning_message)
              self._applications[key] = {'Unable to verify'}
docs: Method that handles the get_application API call to the serverless application repo
  
          This method puts something in the `_applications` dictionary because the plugin expects
          something there in a later event.
  
          :param string app_id: ApplicationId
          :param string semver: SemanticVersion
          :param string key: The dictionary key consisting of (ApplicationId, SemanticVersion)
          :param string logical_id: the logical_id of this application resource