code: def __exit__(self, exc_type, exc_value, traceback):
      del self.model
  
file_path: hummingbird/benchmarks/pipelines/score.py
imports: from abc import ABC, abstractmethod
  import numpy
  from benchmarks.timer import Timer
  import hummingbird.ml
label_desc: Use image node_id 4 for calling the HBBackend obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_value, traceback) without return types