code: def setUp(self):
      super().setUp()
      with tempfile.NamedTemporaryFile(delete=False) as fp:
          self.file_name = fp.name
          fp.write(self.file_byte_string)
      self.addCleanup(os_helper.unlink, self.file_name)
  
imports: import linecache
  import unittest
  import os.path
  import tempfile
  import tokenize
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 1 for calling the TempFile obj's underlying member method code with example usage: obj.setUp() without return types