or download this
diff -aur pm-cb-master/lib/PM/CB/Control.pm pm-cb-master2/lib/PM/CB/Co
+ntrol.pm
--- pm-cb-master/lib/PM/CB/Control.pm 2019-06-08 16:07:06.000000000
+ -0400
...
: ('Thread::Queue', 'new', 'threads');
my ($to_gui, $to_comm, $to_control)