Update to rails 5.2.2.1

app/models/user.rb

@@ -11,11 +11,6 @@ class User < ApplicationRecord
   # prevent N+1 queries with has_cached_role? by preloading roles *always*
   default_scope { preload(:roles) }
 
-  has_many :physical_tickets, through: :ticket_purchases do
-    def by_conference(conference)
-      where('ticket_purchases.conference_id = ?', conference)
-    end
-  end
   has_many :users_roles
   has_many :roles, through: :users_roles, dependent: :destroy
 
@@ -74,6 +69,11 @@ class User < ApplicationRecord
       where(conference: conference, registration_ticket: true).first
     end
   end
+  has_many :physical_tickets, through: :ticket_purchases do
+    def by_conference(conference)
+      where('ticket_purchases.conference_id = ?', conference)
+    end
+  end
   has_many :votes, dependent: :destroy
   has_many :voted_events, through: :votes, source: :events
   has_many :subscriptions, dependent: :destroy