898e47242527e402f4d014fd084c31843d64d1b8,python/ray/test_utils.py,,run_string_as_driver_nonblocking,#Any#,117

Before Change

    // the Python process tries to run it.
    with tempfile.NamedTemporaryFile(delete=False) as f:
        f.write(driver_script.encode("ascii"))
        f.flush()
        return subprocess.Popen(
            [sys.executable, f.name],
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE)

After Change

    Returns:
        A handle to the driver process.
    
    script = "; ".join([
        "import sys",
        "script = sys.stdin.read()",
        "sys.stdin.close()",
        "del sys",
        "exec(\"del script\\n\" + script)",
    ])
    proc = subprocess.Popen(
        [sys.executable, "-c", script],
        stdin=subprocess.PIPE,

Instances