diff --git a/Setup.hs b/Setup.hs
index 9a994af..e8ef27d 100644
--- a/Setup.hs
+++ b/Setup.hs
@@ -1,2 +1,3 @@
 import Distribution.Simple
+
 main = defaultMain
diff --git a/app/Main.hs b/app/Main.hs
index 713ccb1..cdad14e 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -4,18 +4,12 @@ module Main where
 
 import Control.Monad
 import Control.Monad.Trans.Maybe
-import Data.Attoparsec.Text
-import Data.List
 import Data.Maybe
-import qualified Data.Text as T
-import qualified Data.Text.IO as T
-import Hie.Cabal.Parser
 import Hie.Locate
 import Hie.Yaml
 import System.Directory
-import System.Directory.Internal
-import System.FilePath.Posix
 import System.Environment
+import System.FilePath.Posix
 
 main :: IO ()
 main = do
@@ -24,10 +18,11 @@ main = do
   cfs <- runMaybeT $ case name of
     "cabal" -> cabalPkgs pwd
     _ -> stackYamlPkgs pwd
-  when (null cfs) $ error $
-    "No .cabal files found under"
-      <> pwd
-      <> "\n You may need to run stack build."
+  when (null cfs) $
+    error $
+      "No .cabal files found under"
+        <> pwd
+        <> "\n You may need to run stack build."
   pkgs <- catMaybes <$> mapM (nestedPkg pwd) (concat cfs)
   putStr <$> hieYaml name $ fmtPkgs name pkgs
 
@@ -37,7 +32,8 @@ resolveName pwd = do
   files <- listDirectory pwd
   let fileNames = map takeFileName files
       name =
-        if  | "--cabal" `elem` args -> "cabal"
+        if
+            | "--cabal" `elem` args -> "cabal"
             | "--stack" `elem` args -> "stack"
             | "dist-newstyle" `elem` fileNames -> "cabal"
             | ".stack-work" `elem` fileNames -> "stack"
@@ -45,4 +41,3 @@ resolveName pwd = do
             | "stack.yaml" `elem` fileNames -> "stack"
             | otherwise -> "cabal"
   return name
-
diff --git a/src/Hie/Cabal/Parser.hs b/src/Hie/Cabal/Parser.hs
index e3db4cc..6d237db 100644
--- a/src/Hie/Cabal/Parser.hs
+++ b/src/Hie/Cabal/Parser.hs
@@ -102,8 +102,9 @@ optSkipToNextLine i = do
   skipMany $ satisfy (\c -> isSpace c && not (isEndOfLine c))
   mChar <- peekChar
   case mChar of
-    Just c | isEndOfLine c ->
-      char c *> indent i $> ()
+    Just c
+      | isEndOfLine c ->
+        char c *> indent i $> ()
     _ -> pure ()
 
 -- | Comma or space separated list, with optional new lines.
diff --git a/src/Hie/Locate.hs b/src/Hie/Locate.hs
index 2024649..5b265b7 100644
--- a/src/Hie/Locate.hs
+++ b/src/Hie/Locate.hs
@@ -8,9 +8,7 @@ module Hie.Locate
   )
 where
 
-import Control.Applicative
 import Control.Exception
-import Control.Monad
 import Control.Monad.IO.Class
 import Control.Monad.Trans.Maybe
 import Data.Attoparsec.Text (parseOnly)
@@ -20,9 +18,7 @@ import Data.Maybe
 import qualified Data.Text as T
 import qualified Data.Text.IO as T
 import Data.Yaml
-import GHC.Generics
 import Hie.Cabal.Parser
-import Hie.Yaml
 import System.Directory
 import System.FilePath.Posix
 import System.FilePattern.Directory (getDirectoryFiles)
@@ -35,22 +31,24 @@ instance FromJSON Pkgs where
   parseJSON _ = fail "could not read packages from stack.yaml"
 
 stackYamlPkgs :: FilePath -> MaybeT IO [FilePath]
-stackYamlPkgs p = liftIO $
-  decodeFileEither (p </> "stack.yaml") >>= \case
-    Right (Pkgs f) ->
-      liftIO $
-        map (p </>)
-          <$> getDirectoryFiles p (map (</> "*.cabal") f)
-    Left e -> fail $ show e
+stackYamlPkgs p =
+  liftIO $
+    decodeFileEither (p </> "stack.yaml") >>= \case
+      Right (Pkgs f) ->
+        liftIO $
+          map (p </>)
+            <$> getDirectoryFiles p (map (</> "*.cabal") f)
+      Left e -> fail $ show e
 
 cabalPkgs :: FilePath -> MaybeT IO [FilePath]
 cabalPkgs p = do
   cp <- cabalP "cabal.project"
   cl <- cabalP "cabal.project.local"
   case concat . rights $ map (parseOnly extractPkgs) $ rights [cp, cl] of
-    [] -> liftIO (cfs p) >>= \case
-      [] -> fail "no cabal files found"
-      h : _ -> pure [p </> h]
+    [] ->
+      liftIO (cfs p) >>= \case
+        [] -> fail "no cabal files found"
+        h : _ -> pure [p </> h]
     xs -> do
       cd <- liftIO $ map (p </>) <$> getDirectoryFiles p (map (matchDirs . T.unpack) xs)
       cf <-
@@ -71,9 +69,10 @@ nestedPkg parrent child = do
   case parsePackage' f' of
     Right (Package n cs) -> do
       let dir =
-            fromJust $ stripPrefix (splitDirectories parrent)
-              $ splitDirectories
-              $ fst (splitFileName child)
+            fromJust $
+              stripPrefix (splitDirectories parrent) $
+                splitDirectories $
+                  fst (splitFileName child)
           pkg =
             Package n $
               map
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 1debcae..a0c9a9b 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -6,7 +6,7 @@
 packages: []
 snapshots:
 - completed:
-    size: 492027
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/15/9.yaml
-    sha256: 11394dc975e96c2fea90f7f2b3229630d46351a092ebcec78f0a56403930b429
-  original: lts-15.9
+    size: 496111
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/15/14.yaml
+    sha256: c442d702d66b8c129b3473a32c609050aabf1dc2f8e8502402c143271a8fb141
+  original: lts-15.14
diff --git a/test/Spec.hs b/test/Spec.hs
index 3fb2d17..544ad99 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -1,7 +1,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 
 import Data.Attoparsec.Text
-import qualified Data.Text as T
 import Data.Text (Text)
 import qualified Data.Text.IO as T
 import Hie.Cabal.Parser
@@ -14,89 +13,89 @@ main = hspec spec
 
 spec :: Spec
 spec = do
-  describe "Should Succeed"
-    $ it "successfully parses executable section"
-    $ exeSection ~> parseExe 0
-      `shouldParse` [Comp Exe "gen-hie" "app/Main.hs"]
-  describe "Should Succeed"
-    $ it "successfully parses test section"
-    $ testSection ~> parseTestSuite 0
-      `shouldParse` [Comp Test "implicit-hie-test" "test"]
-  describe "Should Succeed"
-    $ it "successfully parses library section"
-    $ libSection ~> parseLib 0
-      `shouldParse` [Comp Lib "" "src"]
-  describe "Should Succeed"
-    $ it "successfully parses library section with 2 hs-source-dirs"
-    $ libSection2 ~> parseLib 0
-      `shouldParse` [Comp Lib "" "src", Comp Lib "" "src2"]
-  describe "Should Succeed"
-    $ it "successfully parses library section with 2 paths under hs-source-dirs"
-    $ libSection3 ~> parseLib 0
-      `shouldParse` [Comp Lib "" "src", Comp Lib "" "src2"]
-  describe "Should Succeed"
-    $ it "successfully parses bench section"
-    $ do
-      bs <- T.readFile "test/benchSection"
-      bs ~> parseBench 0
-        `shouldParse` [Comp Bench "folds" "benchmarks/folds.hs"]
-  describe "Should Succeed"
-    $ it "successfully parses package"
-    $ do
-      cf <- T.readFile "implicit-hie.cabal"
-      cf ~> parsePackage
-        `shouldParse` Package
-          "implicit-hie"
-          [ Comp Lib "" "src",
-            Comp Exe "gen-hie" "app/Main.hs",
-            Comp Test "implicit-hie-test" "test"
-          ]
-  describe "Should Succeed"
-    $ it
+  describe "Should Succeed" $
+    it "successfully parses executable section" $
+      exeSection ~> parseExe 0
+        `shouldParse` [Comp Exe "gen-hie" "app/Main.hs"]
+  describe "Should Succeed" $
+    it "successfully parses test section" $
+      testSection ~> parseTestSuite 0
+        `shouldParse` [Comp Test "implicit-hie-test" "test"]
+  describe "Should Succeed" $
+    it "successfully parses library section" $
+      libSection ~> parseLib 0
+        `shouldParse` [Comp Lib "" "src"]
+  describe "Should Succeed" $
+    it "successfully parses library section with 2 hs-source-dirs" $
+      libSection2 ~> parseLib 0
+        `shouldParse` [Comp Lib "" "src", Comp Lib "" "src2"]
+  describe "Should Succeed" $
+    it "successfully parses library section with 2 paths under hs-source-dirs" $
+      libSection3 ~> parseLib 0
+        `shouldParse` [Comp Lib "" "src", Comp Lib "" "src2"]
+  describe "Should Succeed" $
+    it "successfully parses bench section" $
+      do
+        bs <- T.readFile "test/benchSection"
+        bs ~> parseBench 0
+          `shouldParse` [Comp Bench "folds" "benchmarks/folds.hs"]
+  describe "Should Succeed" $
+    it "successfully parses package" $
+      do
+        cf <- T.readFile "implicit-hie.cabal"
+        cf ~> parsePackage
+          `shouldParse` Package
+            "implicit-hie"
+            [ Comp Lib "" "src",
+              Comp Exe "gen-hie" "app/Main.hs",
+              Comp Test "implicit-hie-test" "test"
+            ]
+  describe "Should Succeed" $
+    it
       "skips to end of block section"
-    $ let r = "test\n"
-       in (libSection <> r) ~?> parseLib 0
-            `leavesUnconsumed` r
-  describe "Should Succeed"
-    $ it "successfully generates stack hie.yaml"
-    $ do
-      sf <- readFile "test/stackHie.yaml"
-      cf <- T.readFile "implicit-hie.cabal"
-      (hieYaml "stack" . fmtPkgs "stack" . (: []) <$> parseOnly parsePackage cf)
-        `shouldBe` Right sf
-  describe "Should Succeed"
-    $ it "successfully generates cabal hie.yaml for haskell-language-server"
-    $ do
-      f <- T.readFile "test/haskell-language-server-cabal"
-      o <- readFile "test/hie.yaml.cbl"
-      (hieYaml "cabal" . fmtPkgs "cabal" . (: []) <$> parseOnly parsePackage f)
-        `shouldBe` Right o
-  describe "Should Succeed"
-    $ it "successfully parses comma list"
-    $ ("one, two" :: Text) ~> parseList 1 `shouldParse` ["one", "two"]
-  describe "Should Succeed"
-    $ it "successfully parses newline list"
-    $ ("one\n two \n three3" :: Text) ~> parseList 1
-      `shouldParse` ["one", "two", "three3"]
-  describe "Should Succeed"
-    $ it "successfully parses newline comma list"
-    $ ("one\n two,  three3" :: Text) ~> parseList 1
-      `shouldParse` ["one", "two", "three3"]
-  describe "Should Succeed"
-    $ it "quoted list"
-    $ ("\"one\"\n two\n three3" :: Text) ~> parseList 1
-      `shouldParse` ["one", "two", "three3"]
-  describe "Should Succeed"
-    $ it "list with leading commas"
-    $ ("one\n , two\n , three3" :: Text) ~> parseList 1
-      `shouldParse` ["one", "two", "three3"]
-  describe "Should Succeed"
-    $ it "succesfully parses exe component with other-modules containing dots"
-    $ exeSection2 ~> parseExe 0 
-      `shouldParse` [ Comp Exe "gen-hie" "app/Main.hs"
-                    , Comp Exe "gen-hie" "app/Hie/Executable/Helper.hs"
-                    , Comp Exe "gen-hie" "app/Hie/Executable/Utils.hs"
-                    ]
+      $ let r = "test\n"
+         in (libSection <> r) ~?> parseLib 0
+              `leavesUnconsumed` r
+  describe "Should Succeed" $
+    it "successfully generates stack hie.yaml" $
+      do
+        sf <- readFile "test/stackHie.yaml"
+        cf <- T.readFile "implicit-hie.cabal"
+        (hieYaml "stack" . fmtPkgs "stack" . (: []) <$> parseOnly parsePackage cf)
+          `shouldBe` Right sf
+  describe "Should Succeed" $
+    it "successfully generates cabal hie.yaml for haskell-language-server" $
+      do
+        f <- T.readFile "test/haskell-language-server-cabal"
+        o <- readFile "test/hie.yaml.cbl"
+        (hieYaml "cabal" . fmtPkgs "cabal" . (: []) <$> parseOnly parsePackage f)
+          `shouldBe` Right o
+  describe "Should Succeed" $
+    it "successfully parses comma list" $
+      ("one, two" :: Text) ~> parseList 1 `shouldParse` ["one", "two"]
+  describe "Should Succeed" $
+    it "successfully parses newline list" $
+      ("one\n two \n three3" :: Text) ~> parseList 1
+        `shouldParse` ["one", "two", "three3"]
+  describe "Should Succeed" $
+    it "successfully parses newline comma list" $
+      ("one\n two,  three3" :: Text) ~> parseList 1
+        `shouldParse` ["one", "two", "three3"]
+  describe "Should Succeed" $
+    it "quoted list" $
+      ("\"one\"\n two\n three3" :: Text) ~> parseList 1
+        `shouldParse` ["one", "two", "three3"]
+  describe "Should Succeed" $
+    it "list with leading commas" $
+      ("one\n , two\n , three3" :: Text) ~> parseList 1
+        `shouldParse` ["one", "two", "three3"]
+  describe "Should Succeed" $
+    it "succesfully parses exe component with other-modules containing dots" $
+      exeSection2 ~> parseExe 0
+        `shouldParse` [ Comp Exe "gen-hie" "app/Main.hs",
+                        Comp Exe "gen-hie" "app/Hie/Executable/Helper.hs",
+                        Comp Exe "gen-hie" "app/Hie/Executable/Utils.hs"
+                      ]
 
 exeSection :: Text
 exeSection =
@@ -191,4 +190,4 @@ exeSection2 =
   \    Hie.Executable.Utils\n\
   \  hs-source-dirs:\n\
   \      app\n\
-  \  main-is: Main.hs \n"
\ No newline at end of file
+  \  main-is: Main.hs \n"