def try_cmd(cmd):
    """Verify if the OS support command invocation as expected by moviepy"""
    try:
        popen_params = cross_platform_popen_params(
            {"stdout": sp.PIPE, "stderr": sp.PIPE, "stdin": sp.DEVNULL}
        )
        proc = sp.Popen(cmd, **popen_params)
        proc.communicate()
    except Exception as err:
        return False, err
    else:
        return True, None
Verify if the OS support command invocation as expected by moviepy
moviepy/config.py