def remove_none_args(args):
    """Remove the `None` from the `argparse` argument object

    Parameters
    ----------
        args : `argparse.Namespace`, required
            `argparse` argument object
    
    Returns
    -------
        `argparse.Namespace` : `argparse` argument object without `None`
    """
    attributes = []

    for k in args.__dict__:
        if args.__dict__[k] is None:
            attributes += [k]
    for attribute in attributes:
        args.__delattr__(attribute)
        
    return args