docstr: Add the corresponding action predictions.
docstr_tok: ["Add","the","corresponding","action","predictions","."]
code: def add_action_preds(self, preds):
      """
      Add the corresponding action predictions.
      """
      self.action_preds = preds
  
imports: import itertools
  import numpy
  import matplotlib.pyplot
  import torch
  from sklearn.metrics import confusion_matrix
  import slowfast.utils.logging
  from slowfast.datasets.utils import pack_pathway_output, tensor_normalize
label_desc: Use image node_id 4 for calling the TaskInfo obj's underlying member method code with example usage: obj.add_action_preds(preds) without return types