code: def _route_tb(req):
      if "run" in req.args:
          key = req.args["run"]
      else:
          key = "0"
      return redirect(f"/tb/{key}/", code=303)
  
imports: import json
  import logging
  import math
  import os
  import socket
  import subprocess
  import sys
  import threading
  import time
  from werkzeug.exceptions import NotFound
  from werkzeug.utils import redirect
  from guild import serving_util
  from guild import util
  from guild import var
label_desc: Use image node_id 13 for calling a global function with example usage: _route_tb(req) and returns: redirect