Revert "Bug 20073: Remove perlcritic error"

This reverts commit 67359a97f4cbf828dbe93a7b08ec7283258b46c5.

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

diff --git a/Koha/SearchEngine/Elasticsearch.pm b/Koha/SearchEngine/Elasticsearch.pm
index 0b33c06..e90af21 100644 (file)
--- a/Koha/SearchEngine/Elasticsearch.pm
+++ b/Koha/SearchEngine/Elasticsearch.pm
@@ -165,7 +165,7 @@ sub get_elasticsearch_mappings {
     if (!defined $all_mappings{$self->index}) {
         $sort_fields{$self->index} = {};
         my $mappings = {
-            data => scalar _get_elasticsearch_mapping('general', '')
+            data => _get_elasticsearch_mapping('general', '')
         };
         my $marcflavour = lc C4::Context->preference('marcflavour');
         $self->_foreach_mapping(
@@ -242,7 +242,7 @@ sub _get_elasticsearch_mapping {
     if (defined $settings->{$purpose}{'default'}) {
         return $settings->{$purpose}{'default'};
     }
-    return;
+    return undef;
 }
 
 sub reset_elasticsearch_mappings {