package Blah;
use AppConfig;
my $config = AppConfig->new();

sub import {
        my (%args) = @_;
        if ( $args{'Config'} ) {
                $config->file($args{'Config'});
        }
        #### next few lines for testing only
        use Data::Dumper;
        print Dumper(\%args);
}

use Othermodule ( Config => $config );