1 files changed, 38 insertions, 38 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb
index 0bcfa5f00d..c9638bf70b 100644
--- a/activerecord/lib/active_record/attribute_methods/dirty.rb
+++ b/activerecord/lib/active_record/attribute_methods/dirty.rb
@@ -1,5 +1,5 @@
-require 'active_support/core_ext/module/attribute_accessors'
-require 'active_record/attribute_mutation_tracker'
+require "active_support/core_ext/module/attribute_accessors"
+require "active_record/attribute_mutation_tracker"
 
 module ActiveRecord
   module AttributeMethods
@@ -100,52 +100,52 @@ module ActiveRecord
 
       private
 
-      def mutation_tracker
-        unless defined?(@mutation_tracker)
-          @mutation_tracker = nil
+        def mutation_tracker
+          unless defined?(@mutation_tracker)
+            @mutation_tracker = nil
+          end
+          @mutation_tracker ||= AttributeMutationTracker.new(@attributes)
         end
-        @mutation_tracker ||= AttributeMutationTracker.new(@attributes)
-      end
 
-      def changes_include?(attr_name)
-        super || mutation_tracker.changed?(attr_name)
-      end
+        def changes_include?(attr_name)
+          super || mutation_tracker.changed?(attr_name)
+        end
 
-      def clear_attribute_change(attr_name)
-        mutation_tracker.forget_change(attr_name)
-      end
+        def clear_attribute_change(attr_name)
+          mutation_tracker.forget_change(attr_name)
+        end
 
-      def _update_record(*)
-        partial_writes? ? super(keys_for_partial_write) : super
-      end
+        def _update_record(*)
+          partial_writes? ? super(keys_for_partial_write) : super
+        end
 
-      def _create_record(*)
-        partial_writes? ? super(keys_for_partial_write) : super
-      end
+        def _create_record(*)
+          partial_writes? ? super(keys_for_partial_write) : super
+        end
 
-      def keys_for_partial_write
-        changed & self.class.column_names
-      end
+        def keys_for_partial_write
+          changed & self.class.column_names
+        end
 
-      def store_original_attributes
-        @attributes = @attributes.map(&:forgetting_assignment)
-        @mutation_tracker = nil
-      end
+        def store_original_attributes
+          @attributes = @attributes.map(&:forgetting_assignment)
+          @mutation_tracker = nil
+        end
 
-      def previous_mutation_tracker
-        @previous_mutation_tracker ||= NullMutationTracker.instance
-      end
+        def previous_mutation_tracker
+          @previous_mutation_tracker ||= NullMutationTracker.instance
+        end
 
-      def cache_changed_attributes
-        @cached_changed_attributes = changed_attributes
-        yield
-      ensure
-        clear_changed_attributes_cache
-      end
+        def cache_changed_attributes
+          @cached_changed_attributes = changed_attributes
+          yield
+        ensure
+          clear_changed_attributes_cache
+        end
 
-      def clear_changed_attributes_cache
-        remove_instance_variable(:@cached_changed_attributes) if defined?(@cached_changed_attributes)
-      end
+        def clear_changed_attributes_cache
+          remove_instance_variable(:@cached_changed_attributes) if defined?(@cached_changed_attributes)
+        end
     end
   end
 end