single_valued_arrayref_to_scalar is a function, not a method.

Author: oalders

lib/MetaCPAN/Web/Controller/Author.pm

@@ -72,7 +72,7 @@ sub index : Chained('root') PathPart('') Args(0) {
  $noLatest->{no_latest}->{$distro} ? () : $_->{fields};
  } @{ $faves_data->{hits}->{hits} }
  ];
- $self->single_valued_arrayref_to_scalar($faves);
+ single_valued_arrayref_to_scalar($faves);
  $faves = [ sort { $b->{date} cmp $a->{date} } @{$faves} ];
  }