code: def q_apot_alpha(self) -> float:
      raise NotImplementedError
  
file_path: pytorch/torch/ao/quantization/experimental/quantizer.py
imports: import torch
  from torch import Tensor
  import numpy
  from torch.ao.quantization.experimental.apot_utils import float_to_apot, apot_to_float, quant_dequant_util
label_desc: Use image node_id 5 for calling the APoTQuantizer obj's underlying member method code with example usage: obj.q_apot_alpha() without return types