Explicitly import prelude in every module

This fixes ghci.

src/lib/Qd/Observable.hs

@@ -25,6 +25,8 @@ module Qd.Observable (
   FnObservable(..),
 ) where
 
+import Qd.Prelude
+
 import Control.Concurrent.MVar
 import Control.Monad.Fix (mfix)
 import Data.Binary (Binary)

src/lib/Qd/Observable/ObservableMap.hs

@@ -10,12 +10,12 @@ module Qd.Observable.ObservableMap (
 ) where
 
 import Qd.Observable
+import Qd.Prelude hiding (lookup, lookupDelete)
 import Qd.Utils.GetT
 
 import Control.Concurrent.MVar
 import qualified Data.HashMap.Strict as HM
 import Data.Unique
-import Prelude hiding (lookup, lookupDelete)
 
 newtype ObservableMap k v = ObservableMap (MVar (HM.HashMap k (ObservableValue v)))
 

src/lib/Qd/Observable/ObservablePriority.hs

@@ -5,6 +5,7 @@ module Qd.Observable.ObservablePriority (
 ) where
 
 import Qd.Observable
+import Qd.Prelude
 
 import Control.Concurrent.MVar
 import qualified Data.HashMap.Strict as HM

test/Qd/Observable/ObservablePrioritySpec.hs

@@ -6,8 +6,10 @@ import qualified Qd.Observable.ObservablePriority as OP
 
 import Control.Monad (void)
 import Data.IORef
+import Prelude
 import Test.Hspec
 
+
 spec :: Spec
 spec = do
   describe "ObservablePriority" $ parallel $ do

test/Qd/ObservableSpec.hs

 module Qd.ObservableSpec where
 
-import Test.Hspec
-
 import Qd.Observable
 
 import Control.Monad (void)
 import Data.IORef
+import Prelude
+import Test.Hspec
+
 
 spec :: Spec
 spec = do