code: def _Close(self):
      
      if not self._file_object_set_in_init:
        self._file_object.close()
        self._file_object = None
  
      self._decrypter = None
      self._decrypted_data = b''
      self._encrypted_data = b''
docs: Closes the file-like object.
  
      If the file-like object was passed in the init function
      the encrypted stream file-like object does not control
      the file-like object and should not actually close it.