Rakefile in haml-rails-0.5.1 vs Rakefile in haml-rails-0.5.2

- old
+ new

@@ -1,8 +1,11 @@
 require 'bundler'
 Bundler::GemHelper.install_tasks
 
-require 'appraisal'
+begin
+  require 'appraisal'
+rescue LoadError
+end
 
 require 'rake/testtask'
 Rake::TestTask.new(:test) do |test|
   test.libs << 'lib' << 'test'
   test.pattern = 'test/**/*_test.rb'