bugfix: generate_graph should also be able to display pipelines without semaphores

32d13629 · Leo Gordon · a8a75be0 · 32d13629
Commit 32d13629 authored Mar 24, 2014 by Leo Gordon
Hide whitespace changes
Inline Side-by-side

Showing with 1 addition and 1 deletion

modules/Bio/EnsEMBL/Hive/Utils/GraphViz.pm modules/Bio/EnsEMBL/Hive/Utils/GraphViz.pm +1 -1

No files found.
--- a/modules/Bio/EnsEMBL/Hive/Utils/GraphViz.pm
+++ b/modules/Bio/EnsEMBL/Hive/Utils/GraphViz.pm
@@ -105,7 +105,7 @@ sub _as_debug {

    $text=~s/^}$//m;

-    foreach my $node_name ( sort @{ $self->cluster_2_nodes->{''} } ) {
+    foreach my $node_name ( sort @{ $self->cluster_2_nodes->{''} || [] } ) {
        $text .= $self->display_subgraph( $node_name, 1);
    }
    $text .= "}\n";