SHA mismatch when installing finatra

[ryangreenberg]

$ brew update && brew install finatra
Already up-to-date.
==> Downloading https://github.com/twitter/finatra/archive/1.5.3.tar.gz
######################################################################## 100.0%
Error: SHA1 mismatch
Expected: bb9fe6a7175c1bff404f515731f071e9f8cca586
Actual: 7f2fcf458badf42c5401587b7be19a4f5c5b439c
Archive: /Library/Caches/Homebrew/finatra-1.5.3.tar.gz
To retry an incomplete download, remove the file above.

[ryangreenberg]

I assume the formula worked when @knutwalker introduced it in 94ecdba; maybe the upstream package has changed?

[mistydemeo]

Asked about this in twitter/finatra#206.