code: def get(self):
      self.write("API V1")
      self.set_header("Content-Type", "text/plain; charset=utf-8")
  
file_path: distributed/distributed/http/scheduler/api.py
imports: from __future__ import annotations
  import json
  from distributed.http.utils import RequestHandler
label_desc: Use image node_id 1 for calling the APIHandler obj's underlying member method code with example usage: obj.get() without return types