class_docstr: A child class of ``Pow`` that inherits from both
  ``Observable`` and ``Operation``.
class_docstr_tok: ["A","child","class","of","``","Pow","``","that","inherits","from","both","``","Observable","``","and","``","Operation","``","."]
code: def __new__(cls, *_, **__):
      return object.__new__(cls)
  
imports: import copy
  from typing import Union
  from scipy.linalg import fractional_matrix_power
  import pennylane
  from pennylane import math
  from pennylane.operation import DecompositionUndefinedError, Observable, Operation, PowUndefinedError, SparseMatrixUndefinedError
  from pennylane.ops.identity import Identity
  from pennylane.queuing import QueuingManager, apply
  from .symbolicop import ScalarSymbolicOp
label_desc: Use image node_id 1 for calling the PowOpObs obj's underlying member method code with example usage: obj.__new__(cls) and returns: object