old_contents: #!/usr/bin/env python2
  import requests
  from flask import request
  from consts import yoback_token
  from app import app
  
  @app.route("/yoback", methods=["GET"])
  def yoback():
      user = request.args.get('username')
      requests.post(
          'http://api.justyo.co/yo/',
          data = {'api_token': yoback_token, 'username': user}
      )
      return("OK")
  
new_contents: #!/usr/bin/env python2
  import requests
  from flask import request
  from consts import yoback_token
  from app import app
  
  @app.route("/yoback", methods=["GET"])
  def yoback():
      user = request.args.get('username')
      p = requests.post(
          'http://api.justyo.co/yo/',
          data = {'api_token': yoback_token, 'username': user}
      )
      if p.ok:
          return("OK")
      else:
          return p.status_code
  
subject: check response