code: def _standardize_user_data(inputs, targets=None):
      if not isinstance(inputs, (list, tuple)):
          inputs = [inputs]
      if targets is not None:
          if not isinstance(targets, (list, tuple)):
              targets = [targets]
          return inputs, targets
      else:
          return inputs
  
file_path: pywick/pywick/modules/_utils.py
imports: import datetime
  import warnings
  import torch.nn.functional
  import torch.optim
  from ..metrics import Metric, CategoricalAccuracy, BinaryAccuracy
  from ..initializers import GeneralInitializer
label_desc: Use image node_id 4 for calling a global function with example usage: _standardize_user_data(inputs, targets) and returns: inputs,  targets, inputs