code: def load(self):
      print(f"Loading TensorRT engine: {self.engine_path}")
      self.engine = engine_from_bytes(bytes_from_path(self.engine_path))
  
imports: from collections import OrderedDict
  from copy import copy
  import numpy
  import tensorrt
  import torch
  from polygraphy import cuda
  from polygraphy.backend.common import bytes_from_path
  from polygraphy.backend.trt import engine_from_bytes
  from polygraphy.backend.trt import util
label_desc: Use image node_id 4 for calling the Engine obj's underlying member method code with example usage: obj.load() without return types