class_docstr: Tensor operand with a single input.
code: def input(self):
      return self._input
  
imports: import itertools
  import numpy
  from ...config import options
  from ...serialization.serializables import FieldTypes, StringField, TupleField
  from ..utils import normalize_shape, decide_chunk_sizes
  from ..core import TensorOrder
  from ..operands import TensorOperand, TensorOperandMixin
label_desc: Use image node_id 1 for calling the TensorHasInput obj's underlying member method code with example usage: obj.input() and returns: self