Rubocop autocorrect

app/helpers/spree/admin/images_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Spree
   module Admin
     module ImagesHelper
@@ -15,4 +17,3 @@ module Spree
     end
   end
 end
-

app/models/spree/asset.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Spree
   class Asset < ActiveRecord::Base
     belongs_to :viewable, polymorphic: true, touch: true

app/models/spree/image.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Spree
   class Image < Asset
     validates_attachment_presence :attachment
@@ -23,7 +25,7 @@ module Spree
     Spree::Image.attachment_definitions[:attachment][:default_url] = Spree::Config[:attachment_default_url]
     Spree::Image.attachment_definitions[:attachment][:default_style] = Spree::Config[:attachment_default_style]
 
-    #used by admin products autocomplete
+    # used by admin products autocomplete
     def mini_url
       attachment.url(:mini, false)
     end

spec/models/spree/asset_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Spree::Asset do
@@ -6,7 +8,7 @@ describe Spree::Asset do
       product = create(:custom_product)
       asset = Spree::Asset.create! { |a| a.viewable = product.master }
 
-      product.update_column(:updated_at,  1.day.ago)
+      product.update_column(:updated_at, 1.day.ago)
 
       expect do
         asset.touch