code: def is_powerof_two(x: int) -> bool:
      # check if number x is a power of two
      return bool(x) and (not (x & (x - 1)))
  
imports: from __future__ import annotations
  import math
  import torch
  import torch.nn.functional
  from kornia.core import Module, Tensor, ones, pad, stack, tensor, zeros
  from kornia.core.check import KORNIA_CHECK, KORNIA_CHECK_IS_TENSOR, KORNIA_CHECK_SHAPE
  from kornia.filters import filter2d, gaussian_blur2d
label_desc: Use image node_id 5 for calling a global function with example usage: is_powerof_two(x) and returns: unknown