code: def register_files(asset_files: dict):
      if asset_files:
          FILENAMES.update(asset_files)
  
file_path: pyecharts/pyecharts/datasets/__init__.py
imports: import difflib
  import os
  import typing
  import urllib.request
  import simplejson
label_desc: Use image node_id 2 for calling a global function with example usage: register_files(asset_files) without return types