use CGI;
-use C4::Auth;
-use C4::Koha;
-use C4::Output;
+use C4::Auth qw( get_template_and_user );
+use C4::Output qw( output_html_with_http_headers );
use Koha::Database;
-use Koha::EDI qw(process_invoice);
+use Koha::EDI qw( process_invoice );
my $q = CGI->new;
my ( $template, $loggedinuser, $cookie, $userflags ) = get_template_and_user(