code: def __init__(self, shape=None, **kw):
      super().__init__(_shape=shape, **kw)
  
file_path: mars/mars/tensor/base/broadcast_to.py
imports: import numpy
  from ...None import opcodes
  from ...serialization.serializables import KeyField, TupleField
  from ..operands import TensorHasInput, TensorOperandMixin
  from ..datasource import tensor
  from ..array_utils import get_array_module, device
label_desc: Use image node_id 1 to create a new TensorBroadcastTo object from inherited base classes: TensorHasInput, TensorOperandMixin with example: obj = TensorBroadcastTo(shape)