diff --git a/src/Elara/TypeInfer.hs b/src/Elara/TypeInfer.hs
index 13ecbda8..f386be74 100644
--- a/src/Elara/TypeInfer.hs
+++ b/src/Elara/TypeInfer.hs
@@ -7,6 +7,7 @@ import Data.Containers.ListUtils (nubOrdOn)
 import Data.Generics.Product
 import Data.Generics.Sum
 import Data.Generics.Wrapped
+import Data.List.NonEmpty qualified as NonEmpty
 import Data.Traversable (for)
 import Elara.AST.Generic hiding (Type)
 import Elara.AST.Generic qualified as Generic
@@ -39,7 +40,6 @@ import Polysemy hiding (transform)
 import Polysemy.Error (Error, mapError, throw)
 import Polysemy.State
 import Print
-import qualified Data.List.NonEmpty as NonEmpty
 
 inferModule ::
     forall r.
diff --git a/src/Elara/TypeInfer/Infer.hs b/src/Elara/TypeInfer/Infer.hs
index 1a324b7d..daebb806 100644
--- a/src/Elara/TypeInfer/Infer.hs
+++ b/src/Elara/TypeInfer/Infer.hs
@@ -155,7 +155,7 @@ wellFormedType ::
     Context SourceRegion ->
     Type SourceRegion ->
     Sem r ()
-wellFormedType _Γ type0 =do 
+wellFormedType _Γ type0 = do
     case type0 of
         -- UvarWF
         Type.VariableType{..}
@@ -1838,7 +1838,6 @@ check expr@(Expr (Located exprLoc _, _)) t = do
     -- ∀I
     check' e Type.Forall{..} = scoped (Context.Variable domain name) do
         check' e type_
-
     check' (Syntax.Tuple elements) Type.Tuple{tupleArguments} = do
         let process (element, type_) = do
                 _Γ <- get
diff --git a/src/Elara/TypeInfer/Type.hs b/src/Elara/TypeInfer/Type.hs
index a866e9e4..259be864 100644
--- a/src/Elara/TypeInfer/Type.hs
+++ b/src/Elara/TypeInfer/Type.hs
@@ -42,6 +42,7 @@ import Print (showPrettyUnannotated)
    >>> import qualified Elara.TypeInfer.Monotype as Monotype
    >>> import Elara.Data.Pretty (pretty)
    >>> import qualified Elara.TypeInfer.Domain as Domain
+   >>> import Data.List.NonEmpty as NE
 -}
 
 -- | A potentially polymorphic type
@@ -103,7 +104,7 @@ data Type s
       Custom {location :: s, name :: Text, typeArguments :: [Type s]}
     | -- | A tuple
       --
-      -- >>> pretty @(Type ()) (Tuple () ["a", "b"])
+      -- >>> pretty @(Type ()) (Tuple () ("a" :| ["b"]))
       -- (a, b)
       Tuple {location :: s, tupleArguments :: NonEmpty (Type s)}
     deriving stock (Eq, Functor, Generic, Show, Data)
@@ -635,7 +636,6 @@ prettyPrimitiveType Tuple{..} =
                 <> Pretty.hardline
                 <> punctuation ")"
             )
-            
 prettyPrimitiveType other =
     Pretty.group (Pretty.flatAlt long short)
   where
diff --git a/test/Infer/Common.hs b/test/Infer/Common.hs
index 27073146..cdf0bbbb 100644
--- a/test/Infer/Common.hs
+++ b/test/Infer/Common.hs
@@ -47,7 +47,6 @@ pattern Function' a b = Function () a b
 pattern VariableType' :: Text -> Type ()
 pattern VariableType' name = VariableType () name
 
-
 pattern Tuple' :: NonEmpty (Type ()) -> Type ()
 pattern Tuple' ts = Type.Tuple () ts
 
@@ -101,8 +100,6 @@ diagShouldSucceed (d, x) = do
         Just x -> pure x
         Nothing -> error "Expected successful inference"
 
-
-
 typeOf' :: MonadIO m => Text -> m (Type ())
 typeOf' msg = do
     x <- liftIO $ runInferPipeline msg