docstr: Resets tracking variables to start new track
docstr_tok: ["Resets","tracking","variables","to","start","new","track"]
code: def start_new_track(self):
      """
      Resets tracking variables to start new track
      """
      self._last_log_id = None
      self._start_time = time.time()
      self._dataframes: List = []
      self._response: ResponseType = {}
      self._steps: List = []
      self._query_info = {}
      self._func_exec_count: dict = defaultdict(int)
  
imports: import base64
  import json
  import os
  import time
  from typing import Any, List, TypedDict, Union
  import uuid
  import requests
  from collections import defaultdict
label_desc: Use image node_id 4 for calling the QueryExecTracker obj's underlying member method code with example usage: obj.start_new_track() without return types