code: def __exit__(self, exc_type, exc_value, traceback):
      del self.model
      if self.remainder_model is not None:
          del self.remainder_model
  
imports: from abc import ABC, abstractmethod
  import numpy
  from benchmarks.timer import Timer
  from benchmarks.datasets import LearningTask
  from hummingbird.ml import constants
  from hummingbird.ml import convert, convert_batch
label_desc: Use image node_id 5 for calling the ONNXMLBackend obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_value, traceback) without return types