Postmeta not saving

This part:

// verify nonce  
if (!wp_verify_nonce($_POST['subtitle_meta_box_nonce'], basename(__FILE__))) {
    return $post_id; } else { die( 'failed to verify nonce' ); }

should be:

// verify nonce  
if (!wp_verify_nonce($_POST['subtitle_meta_box_nonce'], basename(__FILE__))) {
    return; 
}

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