Stack trace trying to run Sinatra app with Sprockets, sprockets-sass and Susy.

stack-dump

I, [2012-09-20T09:29:17.392101 #15856]  INFO -- : listening on addr=0.0.0.0:4567 fd=9
I, [2012-09-20T09:29:17.392574 #15856]  INFO -- : Refreshing Gem list
/Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-sass-0.9.0/lib/sprockets/sass/functions.rb:128:in `sprockets_context': undefined method `context' for #<Sass::Importers::Filesystem:0x007fdcdf5508c0> (NoMethodError)
  (in /Users/evan/Code/b/spendsmart/app/assets/css/style.scss)
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-sass-0.9.0/lib/sprockets/sass/functions.rb:63:in `image_path'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-sass-0.9.0/lib/sprockets/sass/functions.rb:85:in `image_url'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/script/funcall.rb:106:in `_perform'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/script/node.rb:40:in `perform'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:294:in `visit_prop'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:107:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:106:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `block in visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:203:in `visit_if'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:206:in `visit_if'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:107:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:106:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `block in visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:296:in `visit_prop'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block (3 levels) in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block (2 levels) in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:68:in `perform_arguments'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:259:in `visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block (3 levels) in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block (2 levels) in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:68:in `perform_arguments'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:259:in `visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block (3 levels) in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block (2 levels) in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:264:in `block in visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:68:in `perform_arguments'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:259:in `visit_mixin'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:107:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:106:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `block in visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:316:in `visit_rule'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:107:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:106:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `block in visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:316:in `visit_rule'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:107:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:106:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `block in visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:316:in `visit_rule'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:224:in `block in visit_import'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:224:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:224:in `visit_import'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `map'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:107:in `block in visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_environment'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:106:in `visit_children'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `block in visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:126:in `visit_root'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:7:in `visit'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/tree/root_node.rb:20:in `render'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/engine.rb:315:in `_render'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sass-3.2.1/lib/sass/engine.rb:262:in `render'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-sass-0.9.0/lib/sprockets/sass/sass_template.rb:40:in `evaluate'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/tilt-1.3.3/lib/tilt/template.rb:76:in `render'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/context.rb:197:in `block in evaluate'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/context.rb:194:in `each'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/context.rb:194:in `evaluate'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/processed_asset.rb:12:in `initialize'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/base.rb:367:in `new'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/base.rb:367:in `block in build_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/base.rb:388:in `circular_call_protection'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/base.rb:366:in `build_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/index.rb:93:in `block in build_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/caching.rb:51:in `cache_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/index.rb:92:in `build_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/base.rb:287:in `find_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/index.rb:60:in `find_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/bundled_asset.rb:16:in `initialize'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/base.rb:370:in `new'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/base.rb:370:in `build_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/index.rb:93:in `block in build_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/caching.rb:51:in `cache_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/index.rb:92:in `build_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/base.rb:287:in `find_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/index.rb:60:in `find_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/environment.rb:74:in `find_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/manifest.rb:179:in `block in find_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/manifest.rb:219:in `benchmark'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/manifest.rb:178:in `find_asset'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/manifest.rb:90:in `block in compile'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/manifest.rb:89:in `each'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-2.6.0/lib/sprockets/manifest.rb:89:in `compile'
  from /Users/evan/Code/b/spendsmart/app/config/assets.rb:41:in `block (2 levels) in <top (required)>'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sprockets-helpers-0.7.0/lib/sprockets/helpers.rb:50:in `configure'
  from /Users/evan/Code/b/spendsmart/app/config/assets.rb:21:in `block in <top (required)>'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sinatra-1.3.3/lib/sinatra/base.rb:1328:in `configure'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/sinatra-1.3.3/lib/sinatra/base.rb:1660:in `block (2 levels) in delegate'
  from /Users/evan/Code/b/spendsmart/app/config/assets.rb:7:in `<top (required)>'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/backports-2.6.4/lib/backports/tools.rb:314:in `require'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/backports-2.6.4/lib/backports/tools.rb:314:in `require_with_backports'
  from config.ru:8:in `block (2 levels) in <main>'
  from config.ru:7:in `each'
  from config.ru:7:in `block in <main>'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in `instance_eval'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in `initialize'
  from config.ru:1:in `new'
  from config.ru:1:in `<main>'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/unicorn-4.3.1/lib/unicorn.rb:44:in `eval'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/unicorn-4.3.1/lib/unicorn.rb:44:in `block in builder'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:696:in `call'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:696:in `build_app!'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:136:in `start'
  from /Users/evan/.rbenv/versions/1.9.3-p194/lib/ruby/gems/1.9.1/gems/unicorn-4.3.1/bin/unicorn:121:in `<top (required)>'
  from /Users/evan/.rbenv/versions/1.9.3-p194/bin/unicorn:23:in `load'
  from /Users/evan/.rbenv/versions/1.9.3-p194/bin/unicorn:23:in `<main>'