algunos deploys no generan build_stats

app/jobs/deploy_job.rb

@@ -67,10 +67,13 @@ class DeployJob < ApplicationJob
 
   def deploy_others
     @site.deploys.where.not(type: 'DeployLocal').find_each do |d|
+      status = d.deploy
+      build_stat = d.build_stats.last
+
       @deployed[d.type.underscore.to_sym] = {
-        status: d.deploy,
-        seconds: d.build_stats.last.seconds,
-        size: d.build_stats.last.size,
+        status: status,
+        seconds: build_stat.try(:seconds) || 0,
+        size: build_stat.try(:size) || 0,
         url: d.url
       }
     end