app/models/addresses/address.rb in addresses-1.0.11 vs app/models/addresses/address.rb in addresses-2.0

@@ -1,19 +1,22 @@
+# frozen_string_literal: true
+
 module Addresses
   class Address < ActiveRecord::Base
     belongs_to :zipcode
     belongs_to :addressable, polymorphic: true
 
     validates :number, presence: true
-    validates :zipcode_id, presence: true, if: Proc.new{|a| a.try(:zipcode).try(:street).blank? }
-    delegate :street, :neighborhood, :city, to: :zipcode
+    validates :zipcode_id, presence: true, if: Proc.new { |a| a.try(:zipcode).try(:street).blank? }
+    delegate :street, :neighborhood, :city, to: :zipcode, allow_nil: true
 
     accepts_nested_attributes_for :zipcode, allow_destroy: false
 
     def to_s
       to_s = "#{street}, #{number}"
       to_s += ", #{neighborhood.name}" if neighborhood
       to_s += " - #{city.name}" if city
       to_s += "/#{city.state.acronym}" if city && city.state
+      to_s
     end
   end
 end