code: def __init__(
      self,
      engine_path,
  ):
      self.engine_path = engine_path
      self.engine = None
      self.context = None
      self.buffers = OrderedDict()
      self.tensors = OrderedDict()
  
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 1 to create a new Engine object  with example: obj = Engine(engine_path)