code: def send(self, alf):
      ''' Non-blocking send '''
      send_alf = SendThread(self.url, alf, self.connection_timeout, self.retry_count)
      send_alf.start(f send(self, alf):
      ''' Non-blocking send '''
      send_alf = SendThread(self.url, alf, self.connection_timeout, self.retry_count)
      send_alf.start()
docs: Non-blocking send