has expander => (
is => 'lazy', builder => sub { DX::Expander->new(tcl => $_[0]->tcl) },
- isa => InstanceOf['DX::Expander'], handles => [ qw(expand_args) ],
+ isa => Expander, handles => [ qw(expand_args) ],
);
has tcl => (is => 'lazy', isa => InstanceOf['Tcl'], builder => sub {