use Modern::Perl;
use CGI qw ( -utf8 );
-use Carp;
+use Carp qw( carp );
use C4::Koha;
-use C4::Auth;
+use C4::Auth qw( get_template_and_user );
use C4::Context;
-use C4::Auth;
-use C4::Output;
-use C4::Serials;
-use Koha::DateUtils;
+use C4::Auth qw( get_template_and_user );
+use C4::Output qw( output_and_exit output_html_with_http_headers );
+use C4::Serials qw( GetSubscription GetSubscriptionLength NewSubscription ReNewSubscription );
+use Koha::DateUtils qw( dt_from_string output_pref );
my $query = CGI->new;
my $dbh = C4::Context->dbh;