def cross_platform_popen_params(popen_params):
    """Wrap with this function a dictionary of ``subprocess.Popen`` kwargs and
    will be ready to work without unexpected behaviours in any platform.
    Currently, the implementation will add to them:

    - ``creationflags=0x08000000``: no extra unwanted window opens on Windows
      when the child process is created. Only added on Windows.
    """
    if OS_NAME == "nt":
        popen_params["creationflags"] = 0x08000000
    return popen_params
Wrap with this function a dictionary of ``subprocess.Popen`` kwargs and
    will be ready to work without unexpected behaviours in any platform.
    Currently, the implementation will add to them:

    - ``creationflags=0x08000000``: no extra unwanted window opens on Windows
      when the child process is created. Only added on Windows.
    
moviepy/tools.py