tpl/invoice.slim in polish_invoicer-0.0.12 vs tpl/invoice.slim in polish_invoicer-0.0.13

@@ -30,10 +30,10 @@
           - buyer.each do |line|
             = line
             br
           - if buyer_nip
             = "NIP: #{buyer_nip}"
-          - if recipient
+          - if recipient.any?
             h4 Odbiorca
             - recipient.each do |line|
               = line
               br