- fixed 'mixed high and low-precedence booleans' warning

lib/SLUB/LZA/TA/Command/init.pm

@@ -32,12 +32,12 @@ sub validate_args { ## no critic (CognitiveComplexity::ProhibitExcessCognitiveCo
     # no args allowed but options!
     $self->usage_error("No args allowed") if @$args;
     $self->usage_error("Missed mandatory parameter '--elasticsearch-host'") if (
-        !exists($opt->{elasticsearch_host})
-        and !exists($opt->{help})
+        (!exists($opt->{elasticsearch_host}))
+        and (!exists($opt->{help}))
     );
     $self->usage_error("Missed mandatory parameter '--permanent-volume'") if (
-        !exists($opt->{permanent_volume})
-            and !exists($opt->{help})
+        (!exists($opt->{permanent_volume}))
+            and (!exists($opt->{help}))
     );
     foreach my $vol (@{ $opt->{permanent_volume} }) {
         $self->usage_error("Parameter '--permanent-volume' expects an existing dir, got '$vol'!") unless -d $vol;