error upgrading jitsu

gistfile1.self

sudo npm install jitsu -g
npm http GET https://registry.npmjs.org/jitsu
npm http 304 https://registry.npmjs.org/jitsu
npm ERR! error installing jitsu@0.7.7-2
npm ERR! error rolling back jitsu@0.7.7-2 Error: UNKNOWN, unknown error '/usr/local/lib/node_modules/jitsu/node_modules/npm/node_modules/fstream/examples/path/to'

npm ERR! Error: UNKNOWN, unknown error '/usr/local/lib/node_modules/jitsu/node_modules/npm/node_modules/fstream/examples/path/to'
npm ERR! You may report this log at:
npm ERR!     <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR!     <npm-@googlegroups.com>
npm ERR! 
npm ERR! System Darwin 11.2.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "jitsu" "-g"
npm ERR! cwd /Users/johanismael/Projects/InstagramDisplayer/photoserver
npm ERR! node -v v0.6.11
npm ERR! npm -v 1.1.1
npm ERR! path /usr/local/lib/node_modules/jitsu/node_modules/npm/node_modules/fstream/examples/path/to
npm ERR! code UNKNOWN
npm ERR! message UNKNOWN, unknown error '/usr/local/lib/node_modules/jitsu/node_modules/npm/node_modules/fstream/examples/path/to'
npm ERR! errno {}
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/johanismael/Projects/InstagramDisplayer/photoserver/npm-debug.log
npm not ok