Fixing get_country() on null for woocommerce-gateways-country-limiter by WPML

patch.php

// Change filter_country function to following

function filter_by_country($payment_gateways){
        
				$woocommerce = function_exists('WC') ? WC() : $GLOBALS['woocommerce'];
				
				if($woocommerce == null || $woocommerce->customer == null )
					return $payment_gateways;
					
        $customer_country = $woocommerce->customer->get_country();
        foreach($payment_gateways as $gateway_id => $gateway){
            if(
                $this->settings[$gateway_id]['option'] == 'all_except' && in_array($customer_country, $this->settings[$gateway_id]['countries']) || 
                $this->settings[$gateway_id]['option'] == 'selected' && !in_array($customer_country, $this->settings[$gateway_id]['countries'])
            ){
                unset($payment_gateways[$gateway_id]);    
            } 
            
        }
        
        return $payment_gateways;
    }