code: def set_default_headers(self):
      self.clear_header("Content-Type")
      self.clear_header("Date")
  
file_path: nni/nni/tools/jupyter_extension/proxy.py
imports: import json
  from pathlib import Path
  import requests
  from tornado.web import RequestHandler
label_desc: Use image node_id 2 for calling the NniProxyHandler obj's underlying member method code with example usage: obj.set_default_headers() without return types