Merge remote branch 'rizwan/restrict'

3 files changed, 5 insertions, 0 deletions

diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb
index cb67ef7270..2d5acdfced 100644
--- a/activemodel/lib/active_model/dirty.rb
+++ b/activemodel/lib/active_model/dirty.rb
@@ -1,4 +1,7 @@
+require 'active_model/attribute_methods'
+require 'active_support/concern'
 require 'active_support/hash_with_indifferent_access'
+require 'active_support/core_ext/object/duplicable'
 
 module ActiveModel
   # <tt>ActiveModel::Dirty</tt> provides a way to track changes in your
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index a9a54a90e0..8d28040c32 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -1,5 +1,6 @@
 require 'active_support/core_ext/array/wrap'
 require 'active_support/core_ext/string/inflections'
+require 'active_support/core_ext/object/blank'
 require 'active_support/ordered_hash'
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/validator.rb b/activemodel/lib/active_model/validator.rb
index b7c52be3f0..906d239bcc 100644
--- a/activemodel/lib/active_model/validator.rb
+++ b/activemodel/lib/active_model/validator.rb
@@ -1,5 +1,6 @@
 require 'active_support/core_ext/array/wrap'
 require "active_support/core_ext/module/anonymous"
+require 'active_support/core_ext/object/blank'
 
 module ActiveModel #:nodoc:
   # A simple base class that can be used along with