Add workaround for #277

This commit is contained in:
Daniel Gröber 2014-07-04 19:00:38 +02:00
parent c5776c220b
commit efb91a8bd9
1 changed files with 1 additions and 1 deletions

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@ -6,7 +6,7 @@ ghc:
install:
- cabal update
- cabal install happy
- cabal install happy --constraint 'transformers <= 0.3.0.0'
- happy --version
- cabal install -j --only-dependencies --enable-tests