code: def load_weights_jde(self, weights):
      load_weight(self.model, weights, self.optimizer)
  
imports: import os
  import cv2
  import glob
  import paddle
  import numpy
  import collections
  from ppdet.utils.checkpoint import load_weight, load_pretrain_weight
  from ppdet.metrics import Metric, MOTMetric, KITTIMOTMetric
  import ppdet.utils.stats
  from ppdet.engine.callbacks import Callback, ComposeCallback
  from ppdet.core.workspace import create
  from ppdet.utils.logger import setup_logger
  from .dataset import MOTVideoStream, MOTImageStream
  from .modeling.mot.utils import Detection, get_crops, scale_coords, clip_box
  from .modeling.mot import visualization
  from .utils import Timer
label_desc: Use image node_id 2 for calling the StreamTracker obj's underlying member method code with example usage: obj.load_weights_jde(weights) without return types