fix "The InstanceMethods module inside ActiveSupport::Concern will be no longer included automatically."

lib/two_factor_authentication/controllers/helpers.rb

@@ -7,28 +7,26 @@ module TwoFactorAuthentication
         before_filter :handle_two_factor_authentication
       end
 
-      module InstanceMethods
-        private
+      private
 
-          def handle_two_factor_authentication
-            if not request.format.nil? and request.format.html? and not devise_controller?
-              Devise.mappings.keys.flatten.any? do |scope|
-                if signed_in?(scope) and warden.session(scope)[:need_two_factor_authentication]
-                  session["#{scope}_return_tor"] = request.path if request.get?
-                  redirect_to two_factor_authentication_path_for(scope)
-                  return
-                end
-              end
+      def handle_two_factor_authentication
+        if not request.format.nil? and request.format.html? and not devise_controller?
+          Devise.mappings.keys.flatten.any? do |scope|
+            if signed_in?(scope) and warden.session(scope)[:need_two_factor_authentication]
+              session["#{scope}_return_tor"] = request.path if request.get?
+              redirect_to two_factor_authentication_path_for(scope)
+              return
             end
           end
+        end
+      end
 
-          def two_factor_authentication_path_for(resource_or_scope = nil)
-            scope = Devise::Mapping.find_scope!(resource_or_scope)
-            change_path = "#{scope}_two_factor_authentication_path"
-            send(change_path)
-          end
-
+      def two_factor_authentication_path_for(resource_or_scope = nil)
+        scope = Devise::Mapping.find_scope!(resource_or_scope)
+        change_path = "#{scope}_two_factor_authentication_path"
+        send(change_path)
       end
+
     end
   end
 end