code: def __exit__(self, exc_type, exc_value, traceback):
      if exc_type is None:
          assert os.path.exists(self.filename), self.filename
          os.remove(self.filename)
  
imports: import contextlib
  import copy
  import datetime
  import os
  from contextlib import contextmanager
  from falcon import testing
  import orion.algo.space
  import orion.core.io.experiment_builder
  from orion.core.io.space_builder import SpaceBuilder
  from orion.core.worker.producer import Producer
  from orion.serving.webapi import WebApi
  from orion.testing.state import OrionState
label_desc: Use image node_id 3 for calling the AssertNewFile obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_value, traceback) without return types