sass folder missing about octopress-lunr-theme HOT 2 CLOSED

$ bundle exec install
install: missing file operand
Try 'install --help' for more information.

$ ls .themes/
classic  octopress-lunr-theme

$ bundle exec rake install["octopress-lunr-theme"] 
A theme is already installed, proceeding will overwrite existing files. Are you sure? [y/n] y
## Copying octopress-lunr-theme theme into ./source and ./sass
mkdir -p source
cp -r .themes/octopress-lunr-theme/source/. source
mkdir -p sass
cp -r .themes/octopress-lunr-theme/sass/. sass
rake aborted!
No such file or directory - .themes/octopress-lunr-theme/sass/.

Tasks: TOP => install
(See full trace by running task with --trace)

mkdir octo-lunr
cp -rf classic/* octo-lunr/
cp -rf octopress-lunr-theme/* octo-lunr/
rm -rf octopress-lunr-theme/
mv octo-lunr octopress-lunr-theme

$ bundle exec rake install["octopress-lunr-theme"] 
(in /home/kc/code/dshopTutorials)
A theme is already installed, proceeding will overwrite existing files. Are you sure? [y/n] y
## Copying octopress-lunr-theme theme into ./source and ./sass
mkdir -p source
cp -r .themes/octopress-lunr-theme/source/. source
mkdir -p sass
cp -r .themes/octopress-lunr-theme/sass/. sass
mkdir -p source/_posts
mkdir -p public/pages/DeveloperEmpowermentCulture/dshop

$ echo "{% include custom/lunr_search/entries.html %}" >> source/search/index.markdown
$ cp .themes/octopress-lunr-theme/plugins/octopress_lunr_theme.rb plugins/octopress_lunr_theme.rb
$ sed -i "/^simple_search:/c\simple_search: #" _config.yml
$ sed -i "s/^default_asides: \[/default_asides: \[custom\/asides\/lunr_search.html, /" _config.yml

## Generating Site with Jekyll
overwrite source/stylesheets/screen.css 
Configuration from /home/kc/code/dshopTutorials/_config.yml
/home/kc/code/dshopTutorials/plugins/octopress_lunr_theme.rb:17:in `initialize': undefined method `Hash' for #<Jekyll::Indexer:0xb202384> (NoMethodError)
        from /var/lib/gems/1.9.1/gems/jekyll-0.12.0/lib/jekyll/site.rb:92:in `new'
        from /var/lib/gems/1.9.1/gems/jekyll-0.12.0/lib/jekyll/site.rb:92:in `block in setup'
        from /var/lib/gems/1.9.1/gems/jekyll-0.12.0/lib/jekyll/site.rb:89:in `map'
        from /var/lib/gems/1.9.1/gems/jekyll-0.12.0/lib/jekyll/site.rb:89:in `setup'
        from /var/lib/gems/1.9.1/gems/jekyll-0.12.0/lib/jekyll/site.rb:31:in `initialize'
        from /var/lib/gems/1.9.1/gems/jekyll-0.12.0/bin/jekyll:238:in `new'
        from /var/lib/gems/1.9.1/gems/jekyll-0.12.0/bin/jekyll:238:in `<top (required)>'
        from /usr/local/bin/jekyll:23:in `load'
        from /usr/local/bin/jekyll:23:in `<main>'

kc@ubuntu ~/code/dshopTutorials (octopress-lunr-theme)
$ bundle install
Using rake 0.9.2.2
Using RedCloth 4.2.9
Using chunky_png 1.2.5
Using fast-stemmer 1.0.1
Using classifier 1.3.3
Using fssm 0.2.9
Using sass 3.2.9
Using compass 0.12.2
Using directory_watcher 1.4.1
Using haml 3.1.7
Using kramdown 0.13.8
Using liquid 2.3.0
Using syntax 1.0.0
Using maruku 0.6.1
Using posix-spawn 0.3.6
Using yajl-ruby 1.1.0
Using pygments.rb 0.3.4
Using jekyll 0.12.0
Using json 1.8.1
Using mini_portile 0.5.3
Using nokogiri 1.6.2
Using rack 1.5.2
Using rack-protection 1.5.0
Using rb-fsevent 0.9.1
Using rdiscount 2.0.7.3
Using rubypants 0.2.0
Using sass-globbing 1.0.0
Using tilt 1.3.7
Using sinatra 1.4.2
Using stringex 1.4.0
Using bundler 1.6.2
Your bundle is complete!
Use `bundle show [gemname]` to see where a bundled gem is installed.