code: def read_dump(dump_path):
      with open(dump_path, "r") as chat_file:
          chats = json.load(chat_file)
  
      if isinstance(chats, dict):
          headers = chats["header"]
          rows = chats["rows"]
          chats = []
          for row in rows:
              chat = {}
              for idx, header in enumerate(headers):
                  chat[header] = row[idx]
              chats.append(chat)
      return chats
  
imports: import random
  import io
  import os
  import json
  from parlai.utils.misc import msg_to_str
label_desc: Use image node_id 9 for calling a global function with example usage: read_dump(dump_path) and returns: chats