code: def get(self):
      self.write(prometheus_client.generate_latest())
      self.set_header("Content-Type", "text/plain; version=0.0.4")
  
imports: from __future__ import annotations
  import logging
  from collections.abc import Iterator
  from time import time
  from typing import ClassVar
  import prometheus_client
  from prometheus_client.core import CounterMetricFamily, GaugeMetricFamily, Metric
  from distributed.http.prometheus import PrometheusCollector
  from distributed.http.utils import RequestHandler
  from distributed.worker import Worker
label_desc: Use image node_id 2 for calling the PrometheusHandler obj's underlying member method code with example usage: obj.get() without return types