推特引导轨道错误。 "undefined local variable or method `flash'"



我在gemfile中添加了twitter引导轨(2.0.1),然后运行"bundle install"。接下来,我运行了"rails g bootstrap:install",一切都很好。为了生成布局,我做了以下操作,得到了一个错误:

My-MacBook-Pro:todo my$ rails g bootstrap:layout application fixed 
Bootstrap helpers installs to application_helper...
      insert  app/helpers/application_helper.rb
      create  app/views/layouts/application.html.haml
(erb):67:in `block in template': undefined local variable or method `flash' for #<Bootstrap::Generators::LayoutGenerator:0x00000102bb2c10> (NameError)
    from (erb):66:in `each'
    from (erb):66:in `template'
    from /Users/my/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/erb.rb:838:in `eval'

我该怎么处理?我正在运行rails 3.2.1、ruby 1.9.3p0,并且正在使用"haml rails"。

使用更新您的Gemfile

gem 'twitter-bootstrap-rails', :git => 'http://github.com/seyhunak/twitter-bootstrap-rails.git'

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