avoid multiple error event handlers, just in case

mojolicious · Oct 30, 2017 · 70d8b0c · 70d8b0c
1 parent dbc9abd
commit 70d8b0c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/Mojo/IOLoop/Delay.pm b/lib/Mojo/IOLoop/Delay.pm
@@ -82,7 +82,7 @@ sub steps {
   $self->ioloop->next_tick($self->begin);
 
   # DEPRECATED!
-  $self->on(error => sub { });
+  $self->{deprecated} ||= $self->on(error => sub { });
 
   return $self;
 }