code: def _count_bn(self, m, x, y):
      total_ops = 2 * x[0].numel()
      return self._get_result(m, total_ops)
  
imports: import functools
  from collections import Counter
  from prettytable import PrettyTable
  import torch
  import torch.nn
  from ..compressor import PrunerModuleWrapper
label_desc: Use image node_id 6 for calling the ModelProfiler obj's underlying member method code with example usage: obj._count_bn(m, x, y) and returns: self