Rakefile in attributor-2.1.0 vs Rakefile in attributor-2.2.0

@@ -1,21 +1,13 @@
 # encoding: utf-8
-
-
 require 'bundler/setup'
-#begin
-#  Bundler.setup(:default, :development)
-#rescue Bundler::BundlerError => e
-#  $stderr.puts e.message
-#  $stderr.puts "Run `bundle install` to install missing gems"
-#  exit e.status_code
-#end
 require 'rake'
 
-require 'rake/notes/rake_task'
-
 require 'rspec/core'
 require 'rspec/core/rake_task'
+require 'bundler/gem_tasks'
+require 'rake/notes/rake_task'
+
 
 desc "Run RSpec code examples with simplecov"
 RSpec::Core::RakeTask.new do |spec|
   spec.rspec_opts = ["-c"]
   spec.pattern = FileList['spec/**/*_spec.rb']