Even better, the old generator work but throws message

* The old generator should be called with the new arguments,
  it's exactly the same as the new one.

* This file should be removed someday I guess.

lib/generators/cells/cell_generator.rb

@@ -5,6 +5,13 @@ module Generators
     class CellGenerator < ::Cells::Generators::Base
       source_root File.expand_path('../../templates', __FILE__)
 
+      def create_cell_file
+        template 'cell.rb', File.join('app/cells', class_path, "#{file_name}_cell.rb")
+      end
+
+      hook_for(:template_engine)
+      hook_for(:test_framework)
+
       def say_deprecated
         say "====> This generator is now DEPRECATED. <====", :red
         say "Please use:"