code: def __repr__(self):
      return f"{type(self).__name__}({self._data.__repr__()})"
  
file_path: mars/mars/core/entity/chunks.py
imports: from ...serialization.serializables import BoolField, FieldTypes, TupleField
  from ...utils import tokenize
  from .core import EntityData, Entity
label_desc: Use image node_id 1 for calling the Chunk obj's underlying member method code with example usage: obj.__repr__() and returns: type, str, self, str