code: def make_wsgi_app(self) -> ext.WSGIApp:
      # Used by gRPC prometheus server.
      return self.prometheus_client.make_wsgi_app(
          registry=self.registry
      )
  
imports: from __future__ import annotations
  import logging
  import os
  import sys
  import typing
  from functools import partial
  from typing import TYPE_CHECKING
label_desc: Use image node_id 8 for calling the PrometheusClient obj's underlying member method code with example usage: obj.make_wsgi_app() and returns: self