From cb1f40465d237dd94f382b72d96ab95346f645d6 Mon Sep 17 00:00:00 2001
From: n1ru4l <laurinquast@googlemail.com>
Date: Mon, 15 Feb 2021 12:26:33 +0100
Subject: [PATCH] chore: please the linter

---
 src/useMutation.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/useMutation.ts b/src/useMutation.ts
index d523c748..c97e50fe 100644
--- a/src/useMutation.ts
+++ b/src/useMutation.ts
@@ -39,7 +39,7 @@ export function useMutation<T extends MutationParameters>(
 
     const isMountedRef = React.useRef(true);
     React.useEffect(
-        () => () => {
+        (): (() => void) => (): void => {
             isMountedRef.current = false;
         },
         [],