phinze/homebrew-cask — pull request #1061 by brentley (2013-09-20 14:43:04+00:00)
Title: fixing (removing) the checksum for lastpass universal

It looks like lastpass doesn't version the downloads, and it must have changed. I saw a checksum conflict when I tried installing, so I turned off the checksum.

I think this is what the original author intended.