code: def create_init_files(dst_dir: str) -> None:
      """Create __init__.py files."""
      for root, _, files in os.walk(dst_dir):
          if any(
              file.endswith(".py") or file.endswith(".so")
              for file in files
          ):
              curr_dir = root
              while curr_dir != dst_dir:
                  init_path = os.path.join(curr_dir, "__init__.py")
                  if not os.path.exists(init_path):
                      open(init_path, "w").close()
                  curr_dir = os.path.dirname(curr_dir)
  
imports: import os
  import shutil
  import sys
label_desc: Use image node_id 3 for calling a global function with example usage: create_init_files(dst_dir) without return types