our @EXPORT = qw(function);

##</code><code>##

      use one -base;

##</code><code>##

      import one;

##</code><code>##

      @two::ISA = qw(one);

##</code><code>##

#!/usr/bin/perl

package one;
use Class::Spiffy -base;
our @EXPORT = qw(function);
sub function { print "Function in package one\n" }

package two;
@two::ISA = qw(one);
import one;
print STDERR "Class::Spiffy version is ", $Class::Spiffy::VERSION, "\n";
print STDERR "Can two function? ",two->can('function'), "\n";
function();

__END__

cd /home/henry/dev/
/usr/bin/perl -w /home/henry/dev/spiffy_bug.pl 
Class::Spiffy version is 0.15
Can two function? CODE(0x814b738)
Function in package one

Compilation finished at Tue Feb 21 10:37:35