lib/openbd/client.rb in openbd_api-0.4.1 vs lib/openbd/client.rb in openbd_api-0.4.2

@@ -59,16 +59,12 @@
     def normalize_isbns(isbns)
       case isbns
       when String
         isbns
       when Numeric
-        isbns
+        isbns.to_s
       when Array
-        params = ""
-        isbns.each do |isbn|
-          params << "#{isbn}, "
-        end
-        params.strip!.gsub(/,$/,'')
+        isbns.join(",")
       end
     end
   end
 end