db/migrate/20120709092821_cleanup.rb in calagator-1.1.0 vs db/migrate/20120709092821_cleanup.rb in calagator-2.0.0.pre.0

@@ -1,5 +1,7 @@
-class Cleanup < ActiveRecord::Migration
+# frozen_string_literal: true
+
+class Cleanup < ActiveRecord::Migration[4.2]
   # Remove obsolete tables and columns that may have been left behind by other migrations.
   def self.up
     if ActiveRecord::Base.connection.columns('venues').map(&:name).include?('version')
       remove_column :venues, :version
     end