wp-content/themes/oxygen/woocommerce/content-product.php

gistfile1.php

$post = $post_cloned;
unset($post_cloned);

// if($product_images)
// {
	foreach($product_images as $attachment_id):

		$image_link = wp_get_attachment_url( $attachment_id );

		if( ! $image_link)
			continue;

		$product_images_urls[] = $image_link;
		$product_images_urls_ids[$image_link] = $attachment_id;

	endforeach;

	if($product_images_urls)
		$classes[] = 'has-gallery';
// }

# end: modified by Arlind Nushi
?>
<div <?php post_class( $classes ); ?>>