class_docstr: Operand represents scalar type.
code: def execute(cls, ctx, op):
      chunk = op.outputs[0]
      if chunk.ndim != 0:
          raise ValueError("Missing op for chunk")
      ctx[chunk.key] = create_array(op)("asarray", op.data)
  
file_path: mars/mars/tensor/datasource/scalar.py
imports: import numpy
  from ...None import opcodes
  from ...serialization.serializables import AnyField
  from .core import TensorNoInput
  from ..array_utils import create_array
label_desc: Use image node_id 4 for calling the Scalar obj's underlying member method code with example usage: obj.execute(cls, ctx, op) without return types