class_docstr: Health check in the agent.
  
  This module adds health check related endpoint to the agent to check
  local components' health.
code: def is_minimal_module():
      return True
  
file_path: ray/python/ray/dashboard/modules/healthz/healthz_agent.py
imports: import ray.dashboard.utils
  import ray.dashboard.optional_utils
  from ray.dashboard.modules.healthz.utils import HealthChecker
  import ray.exceptions
  from aiohttp.web import Request, Response
label_desc: Use image node_id 2 for calling the HealthzAgent obj's underlying member method code with example usage: obj.is_minimal_module() and returns: True