class_docstr: Operation-specific methods and properties for the ``Pow`` class.
  
  Dynamically mixed in based on the provided base operator.  If the base operator is an
  Operation, this class will be mixed in.
  
  When we no longer rely on certain functionality through `Operation`, we can get rid of this
  class.
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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 PowOperation obj's underlying member method code with example usage: obj.__new__(cls) and returns: object