code: def __init__(self, output_types=None, **kw):
      super().__init__(_output_types=output_types, **kw)
  
file_path: mars/mars/dataframe/fetch/core.py
imports: from ...core import OutputType, register_fetch_class
  from ...core.operand import Fetch, FetchShuffle, FetchMixin
  from ...serialization.serializables import FieldTypes, TupleField
  from ...utils import on_serialize_shape, on_deserialize_shape
  from ..operands import DataFrameOperandMixin
label_desc: Use image node_id 1 to create a new DataFrameFetchShuffle object from inherited base classes: FetchShuffle, DataFrameFetchMixin with example: obj = DataFrameFetchShuffle(output_types)