I would have written it thusly. base is a core pragma intended for fiddling with requiring and altering @ISA. I didn't say `our @EXPORT` because that immediately limits my code to 5.6.0>= while using vars (another pragma) to declare is backwards compatible.

package ObjectTemplate;
use base 'Exporter';
use vars qw(@EXPORT);
@EXPORT = qw( attributes );
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