code: def test_set_complete_delims(self):
      script = textwrap.dedent(
          """
              import readline
              def complete(text, state):
                  if state == 0 and text == "$":
                      return "$complete"
                  return None
              if readline.backend == "editline":
                  readline.parse_and_bind(r'bind "\\t" rl_complete')
              else:
                  readline.parse_and_bind(r'"\\t": complete')
              readline.set_completer_delims(" \\t\\n")
              readline.set_completer(complete)
              print(input())
          """
      )
  
      output = run_pty(script, input=b"$\t\n")
      self.assertIn(b"$complete", output)
  
imports: import locale
  import os
  import sys
  import tempfile
  import textwrap
  import unittest
  from test.support import verbose
  from test.support.import_helper import import_module
  from test.support.os_helper import unlink, temp_dir, TESTFN
  from test.support.pty_helper import run_pty
  from test.support.script_helper import assert_python_ok
label_desc: Use image node_id 5 for calling the TestReadline obj's underlying member method code with example usage: obj.test_set_complete_delims() without return types