docs: def copytree(src, dst, symlinks=False, ignore=None):
      """Copy from source directory to destination"""
  
      # TODO(crow): OSError: [Errno 17] File exists
      if not osp.exists(dst):
          os.makedirs(dst)
      for item in os.listdir(src):
          s = osp.join(src, item)
          d = osp.join(dst, item)
          if osp.isdir(s):
              shutil.copytree(s, d, symlinks, ignore)
          else:
              shutil.copy2(s, d)