code: def update_index_md():
      shutil.copyfile("../README.md", "sources/index.md")
  
file_path: keras-vis/docs/update_docs.py
imports: import shutil
  from md_autogen import MarkdownAPIGenerator
  from md_autogen import to_md_file
  from vis import backend
  from vis.utils import utils
  from vis import visualization
  from vis import backprop_modifiers
  from vis import callbacks
  from vis import grad_modifiers
  from vis import input_modifiers
  from vis import losses
  from vis import optimizer
  from vis import regularizers
label_desc: Use image node_id 2 for calling a global function with example usage: update_index_md() without return types