fix warnings/errors found by make stacktest

hledger-lib/Hledger/Read.hs

@@ -65,7 +65,6 @@ import qualified Hledger.Read.TimeclockReader as TimeclockReader
 import qualified Hledger.Read.CsvReader       as CsvReader
 import Hledger.Utils
 import Prelude hiding (getContents, writeFile)
-import Hledger.Utils.UTF8IOCompat (writeFile)
 
 
 journalEnvVar           = "LEDGER_FILE"

hledger-ui/Hledger/UI/RegisterScreen.hs

@@ -31,7 +31,6 @@ import System.Console.ANSI
 
 import Hledger
 import Hledger.Cli hiding (progname,prognameandversion)
-import Hledger.Cli.Commands.Add (add)
 import Hledger.UI.UIOptions
 -- import Hledger.UI.Theme
 import Hledger.UI.UITypes

hledger/Hledger/Cli/Commands/Checkdates.hs

@@ -1,16 +1,3 @@
-{- #!/usr/bin/env stack -}
-{- stack runghc -- 
-    --ghc-arg='-main-is _main' 
-    --verbosity info
-    --package hledger-lib
-    --package hledger
-    --package here
--}
--- We could probably still allow running these command modules as scripts, if useful.
---import Hledger.Cli.Utils (withJournalDo)
---main :: IO ()
---main = getHledgerCliOpts checkdatesmode >>= flip withJournalDo checkdates
-
 {-# LANGUAGE QuasiQuotes #-}
 
 module Hledger.Cli.Commands.Checkdates (

hledger/Hledger/Cli/Main.hs

@@ -51,7 +51,6 @@ import System.FilePath
 import System.Process
 import Text.Printf
 
-import Hledger (ensureJournalFileExists, getCurrentDay, period_, interval_, queryFromOpts)
 import Hledger.Cli
 
 

hledger/bench/bench.hs

@@ -9,10 +9,6 @@ import System.Environment (getArgs, withArgs)
 import System.TimeIt      (timeItT)
 import Text.Printf
 import Hledger.Cli
-import Hledger.Cli.Commands.Balance
-import Hledger.Cli.Commands.Print
-import Hledger.Cli.Commands.Register
-import Hledger.Cli.Commands.Stats
 
 -- sample journal file to use for benchmarks
 inputfile = "bench/10000x1000x10.journal"