code: def _check_input_dim(input_):
      return NotImplemented
  
file_path: pywick/pywick/functions/group_norm.py
imports: import torch
  import torch.nn.functional
  from torch.nn.modules.batchnorm import _BatchNorm
label_desc: Use image node_id 2 for calling the _GroupNorm obj's underlying member method code with example usage: obj._check_input_dim(input_) and returns: NotImplemented