code: def __exit__(self, exception_type, exception_value, traceback):
      os.remove(self.filename)
  
imports: from __future__ import division, print_function
  import os
  from tempfile import NamedTemporaryFile
  import numpy
  from ..None import __version__
  from .backend import Backend
label_desc: Use image node_id 3 for calling the TempHDFBackend obj's underlying member method code with example usage: obj.__exit__(exception_type, exception_value, traceback) without return types