docs: def settings_view_decorator(function):
      """Insert decorator from settings, if any.
  
      .. note:: Decorator in ``CLOUD_BROWSER_VIEW_DECORATOR`` can be either a
          callable or a fully-qualified string path (the latter, which we'll
          lazy import).
      """
  
      dec = settings.CLOUD_BROWSER_VIEW_DECORATOR
  
      # Trade-up string to real decorator.
      if isinstance(dec, str):
          # Split into module and decorator strings.
          mod_str, _, dec_str = dec.rpartition('.')
          if not (mod_str and dec_str):
              raise ImportError("Unable to import module: %s" % mod_str)
  
          # Import and try to get decorator function.
          mod = import_module(mod_str)
          if not hasattr(mod, dec_str):
              raise ImportError("Unable to import decorator: %s" % dec)
  
          dec = getattr(mod, dec_str)
  
      if dec and callable(dec):
          return dec(function)
  
      return function