code: def __repr__(self):
      values = ", ".join(
          [
              "{}={!r}".format(slot, getattr(self, slot, None))
              for slot in self.__slots__
          ]
      )
      return "{}({})".format(self.__class__.__name__, values)
  
imports: import operator
  import weakref
  from typing import Dict, List, Type, Tuple
  import cloudpickle
  from ..core import Serializer, Placeholder, buffered
  from .field import Field
  from .field_type import PrimitiveFieldType, ListType, TupleType, DictType, DtypeType, DatetimeType, TimedeltaType, TZInfoType
label_desc: Use image node_id 3 for calling the Serializable obj's underlying member method code with example usage: obj.__repr__() and returns: str