code: def __init__(self):
      self.frames = None
      self.id = -1
      self.bboxes = None
      self.action_preds = None
      self.num_buffer_frames = 0
      self.img_height = -1
      self.img_width = -1
      self.crop_size = -1
      self.clip_vis_size = -1
  
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 1 to create a new TaskInfo object  with example: obj = TaskInfo()