sub results {
my $self = shift;
- return undef unless $self->{'status'} eq 'completed';
+ return unless $self->{'status'} eq 'completed';
return $self->{'results'};
}
my $session = get_session($sessionID);
my $prefix = "job_$jobID";
unless (defined $session->param($prefix)) {
- return undef;
+ return;
}
my $self = $session->param($prefix);
bless $self, $class;