bundle install fails, missing culture/sync

[dblock]

I must be missing something obvious, this is from a clean checkout of celluloid-io.

[!] There was an error parsing `Gemfile`: cannot load such file -- /Users/dblock/source/celluloid/celluloid-io/celluloid/culture/sync. Bundler cannot continue.

 #  from /Users/dblock/source/celluloid/celluloid-io/celluloid/Gemfile:2
 #  -------------------------------------------
 #  puts File.expand_path("../culture/sync", __FILE__)
 >  require File.expand_path("../culture/sync", __FILE__)
 #  
 #  -------------------------------------------