redirects WooCommerce my account page to the default WordPress login if user is not logged in

gistfile1.php

<?php
//don't include the opening PHP tag
add_action( 'template_redirect', 'handsomebeardedguy_redirect_myaccount' );

function handsomebeardedguy_redirect_myaccount() {
	if ( function_exists( 'is_account_page' ) && is_account_page() && ! is_user_logged_in() ) {
		wp_redirect( wp_login_url( get_permalink( wc_get_page_id( 'shop' ) ) ) );
		exit;
	}
}