use strict;
use warnings;
-use Text::Wrap;
-use Algorithm::CheckDigits;
+use Text::Wrap qw( wrap );
+use Algorithm::CheckDigits qw( CheckDigits );
use Text::CSV_XS;
-use Data::Dumper;
use Text::Bidi qw( log2vis );
use C4::Context;
-use C4::Biblio;
+use C4::Biblio qw( GetMarcBiblio GetMarcFromKohaField );
use Koha::ClassSources;
use Koha::ClassSortRules;
use Koha::ClassSplitRules;