code: def metrics(self):
      return [self.loss_tracker, self.mAP_tracker, self.lr_tracker]
  
imports: import tensorflow
  import numpy
  from layers import Mish, ScaledRandomUniform
  import utils
label_desc: Use image node_id 5 for calling the YOLOv4Model obj's underlying member method code with example usage: obj.metrics() and returns: list