code: def __init__(self, server):
      self.server = server
      self.namespace = dask.config.get(
          "distributed.dashboard.prometheus.namespace"
      )
      self.subsystem = None
  
file_path: distributed/distributed/http/prometheus.py
imports: from __future__ import annotations
  from importlib import import_module
  import dask.config
  from distributed.http.utils import RequestHandler
label_desc: Use image node_id 1 to create a new PrometheusCollector object  with example: obj = PrometheusCollector(server)