Another round of fixes

* Try to fix issue with `cabal configure --enable-tests' on travis.

* Remove upper bounds for version of ihaskell from ihaskell-rlangqq,
  taking cue from the other ihaskell-* packages.

* Fix formatting issues with IHaskell.Display.Plot.

.travis.yml

@@ -49,6 +49,7 @@ script:
      travis_retry ./build.sh ihaskell
    fi
 # Build and run the test suite
+ - travis_retry cabal install --only-dependencies --enable-tests
  - travis_retry cabal configure --enable-tests
  - travis_retry cabal test --show-details=always
  - |

ihaskell-display/ihaskell-plot/IHaskell/Display/Plot.hs

@@ -3,13 +3,13 @@
 
 module IHaskell.Display.Plot where
 
-import ClassyPrelude
+import           ClassyPrelude
 
 import qualified Data.ByteString.Char8 as Char
 
-import Graphics.Rendering.Plot
+import           Graphics.Rendering.Plot
 
-import IHaskell.Display
+import           IHaskell.Display
 
 instance IHaskellDisplay (Figure ()) where
   display figure = do
@@ -32,11 +32,13 @@ figureData figure format = do
 
   -- Read back, and convert to base64.
   imgData <- readFile $ fpFromString fname
-  let value = case format of
-               PNG -> png w h $ base64 imgData
-               SVG -> svg $ Char.unpack imgData
+  let value =
+        case format of
+          PNG -> png w h $ base64 imgData
+          SVG -> svg $ Char.unpack imgData
 
   return value
   where
     extension SVG = "svg"
     extension PNG = "png"
+

ihaskell-display/ihaskell-rlangqq/ihaskell-rlangqq.cabal

@@ -18,7 +18,7 @@ library
                        filepath >=1.3 && <1.4,
                        bytestring >=0.10 && <0.11,
                        base64-bytestring >=1.0 && <1.1,
-                       ihaskell >=0.5,
+                       ihaskell >= 0.5,
                        ihaskell-blaze >=0.2 && <0.3,
                        blaze-html >=0.6 && <0.8,
                        split >=0.2 && <0.3,