code: def _run_minifier_launcher(
      self, repro_dir, isolate, *, minifier_args=()
  ):
      self.assertIsNotNone(repro_dir)
      launch_file = os.path.join(repro_dir, "minifier_launcher.py")
      with open(launch_file) as f:
          launch_code = f.read()
      self.assertTrue(os.path.exists(launch_file))
  
      args = ["python3", launch_file, "minify", *minifier_args]
      if not isolate:
          args.append("--no-isolate")
      launch_proc = self._maybe_subprocess_run(
          args, isolate=isolate, cwd=repro_dir
      )
      print("minifier stdout:", launch_proc.stdout.decode("utf-8"))
      stderr = launch_proc.stderr.decode("utf-8")
      print("minifier stderr:", stderr)
      self.assertNotIn("Input graph did not fail the tester", stderr)
  
      return launch_proc, launch_code
  
imports: import dataclasses
  import io
  import logging
  import os
  import re
  import shutil
  import subprocess
  import sys
  import tempfile
  import traceback
  from typing import Optional
  from unittest.mock import patch
  import torch
  import torch._dynamo
  import torch._dynamo.test_case
  from torch.utils._traceback import report_compile_source_on_error
label_desc: Use image node_id 6 for calling the MinifierTestBase obj's underlying member method code with example usage: obj._run_minifier_launcher(repro_dir, isolate) and returns: launch_proc,  launch_code