/**
  * Generate settings page HTML
  *
  * @since 4.5
  */
 public function generate_settings_html($form_fields = array())
 {
     $rates_checked = get_option('wootax_rates_checked');
     if (!$rates_checked && wt_has_other_rates()) {
         require WT_PLUGIN_PATH . 'templates/admin/delete-rates.php';
         // Add WooTax tax rate if one is not present
         WC_WooTax::maybe_add_wootax_rate();
     } else {
         parent::generate_settings_html($form_fields);
     }
 }
    public function generate_settings_html($form_fields = false)
    {
        parent::generate_settings_html($form_fields);
        ?>
            <tr valign="top">
                <th scope="row" class="titledesc">
                    <label >Calculate shipping rates</label>
                </th>
                <td class="forminp">
                    Go to <b><a href="<?php 
        echo admin_url('admin.php?page=wc-settings&tab=shipping&section=printful_shipping');
        ?>
">Shipping → Printful Shipping</a></b> to enable Printful shipping rate calculation
                </td>
            </tr>
        <?php 
    }