checksum error

gistfile1.txt

npm ERR! Error: shasum check failed for /var/folders/Uj/UjR343n7GDW444NRiNY9Zk+++TI/-Tmp-/npm-1344777461658/1344777461658-0.012702609412372112/tmp.tgz
npm ERR! Expected: 47ac53683daf832bfa952e1774417da47817ae42
npm ERR! Actual:   3bb7b8a676e95a33a0f28f081cf860176b8f67c7
npm ERR!     at /usr/local/lib/node_modules/npm/lib/utils/sha.js:25:20
npm ERR!     at [object Object].<anonymous> (/usr/local/lib/node_modules/npm/lib/utils/sha.js:49:5)
npm ERR!     at [object Object].emit (events.js:64:17)
npm ERR!     at afterRead (fs.js:1111:12)
npm ERR!     at Object.wrapper [as oncomplete] (fs.js:254:17)
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 10.8.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "underscore"
npm ERR! cwd /Users/matt/Development/clscraper
npm ERR! node -v v0.6.9
npm ERR! npm -v 1.1.0-3
npm ERR! message shasum check failed for /var/folders/Uj/UjR343n7GDW444NRiNY9Zk+++TI/-Tmp-/npm-1344777461658/1344777461658-0.012702609412372112/tmp.tgz
npm ERR! message Expected: 47ac53683daf832bfa952e1774417da47817ae42
npm ERR! message Actual:   3bb7b8a676e95a33a0f28f081cf860176b8f67c7
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/matt/Development/clscraper/npm-debug.log
npm not ok