code: def multi_constructor_pkl(loader, tag_suffix, node):
      
  
      mapping = loader.construct_yaml_str(node)
      if tag_suffix != "" and tag_suffix != u"":
          raise AssertionError('Expected tag_suffix to be "" but it is "'+tag_suffix+'"')
  
      rval = ObjectProxy(None, {}, yaml.serialize(node))
      rval.instance = serial.load(mapping)
  
      return rval
docs: Constructor function passed to PyYAML telling it how to load
      objects from paths to .pkl files. See PyYAML documentation for
      details on the call signature.