my ($a, $a_unit, $b, $b_unit) = @_;
- $main::all_units ||= AM->retrieve_units(\%main::myconfig, $main::form);
- my $units = $main::all_units;
+ my $units = AM->retrieve_all_units;
if (!$units->{$a_unit} || !$units->{$b_unit} || ($units->{$a_unit}->{base_unit} ne $units->{$b_unit}->{base_unit})) {
$main::lxdebug->leave_sub();