code: def deprecated(func):
      """This is a decorator which can be used to mark functions
      as deprecated. It will result in a warning being emitted
      when the function is used."""
  
      @functools.wraps(func)
      def new_func(*args, **kwargs):
          warnings.simplefilter(
              "always", DeprecationWarning
          )  # turn off filter
          warnings.warn(
              "Call to deprecated function {}. Please use the corresponding function in deepchem.utils.docking_utils.".format(
                  func.__name__
              ),
              category=DeprecationWarning,
              stacklevel=2,
          )
          warnings.simplefilter(
              "default", DeprecationWarning
          )  # reset filter
          return func(*args, **kwargs)
  
      return new_func
  
label_desc: Use image node_id 1 for calling a global function with example usage: deprecated(func) and returns: new_func, func