diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a5e47f..a97b33a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: "3.x"
-      - uses: abatilo/actions-poetry@v2.1.6
+      - uses: abatilo/actions-poetry@v2
       - name: Config poetry
         run: poetry config experimental.new-installer false
       - name: CI
diff --git a/examples/in_memory/main.py b/examples/in_memory/main.py
index d9da58f..bbf0910 100644
--- a/examples/in_memory/main.py
+++ b/examples/in_memory/main.py
@@ -42,14 +42,17 @@ async def get_date():
 async def get_datetime(request: Request, response: Response):
     return {"now": pendulum.now()}
 
+
 @cache(namespace="test")
 async def func_kwargs(*unused_args, **kwargs):
     return kwargs
 
+
 @app.get("/kwargs")
 async def get_kwargs(name: str):
     return await func_kwargs(name, name=name)
 
+
 @app.get("/sync-me")
 @cache(namespace="test")
 def sync_me():
diff --git a/fastapi_cache/backends/redis.py b/fastapi_cache/backends/redis.py
index 0088f4f..0bff5c7 100644
--- a/fastapi_cache/backends/redis.py
+++ b/fastapi_cache/backends/redis.py
@@ -13,7 +13,7 @@ class RedisBackend(Backend):
 
     async def get_with_ttl(self, key: str) -> Tuple[int, str]:
         async with self.redis.pipeline(transaction=not self.is_cluster) as pipe:
-            return await (pipe.ttl(key).get(key).execute())
+            return await pipe.ttl(key).get(key).execute()
 
     async def get(self, key: str) -> Optional[str]:
         return await self.redis.get(key)
@@ -27,4 +27,4 @@ class RedisBackend(Backend):
             return await self.redis.eval(lua, numkeys=0)
         elif key:
             return await self.redis.delete(key)
-        return 0
\ No newline at end of file
+        return 0
diff --git a/fastapi_cache/decorator.py b/fastapi_cache/decorator.py
index 41e6b9e..b0601aa 100644
--- a/fastapi_cache/decorator.py
+++ b/fastapi_cache/decorator.py
@@ -136,7 +136,9 @@ def cache(
             try:
                 ttl, ret = await backend.get_with_ttl(cache_key)
             except Exception:
-                logger.warning(f"Error retrieving cache key '{cache_key}' from backend:", exc_info=True)
+                logger.warning(
+                    f"Error retrieving cache key '{cache_key}' from backend:", exc_info=True
+                )
                 ttl, ret = 0, None
             if not request:
                 if ret is not None:
@@ -145,7 +147,9 @@ def cache(
                 try:
                     await backend.set(cache_key, coder.encode(ret), expire)
                 except Exception:
-                    logger.warning(f"Error setting cache key '{cache_key}' in backend:", exc_info=True)
+                    logger.warning(
+                        f"Error setting cache key '{cache_key}' in backend:", exc_info=True
+                    )
                 return ret
 
             if request.method != "GET":
diff --git a/tests/test_decorator.py b/tests/test_decorator.py
index 783b9d4..752a0d2 100644
--- a/tests/test_decorator.py
+++ b/tests/test_decorator.py
@@ -37,7 +37,6 @@ def test_datetime() -> None:
 def test_date() -> None:
     """Test path function without request or response arguments."""
     with TestClient(app) as client:
-
         response = client.get("/date")
         assert pendulum.parse(response.json()) == pendulum.today()
 
@@ -68,8 +67,9 @@ def test_cache_response_obj() -> None:
         assert get_cache_response.headers.get("cache-control")
         assert get_cache_response.headers.get("etag")
 
+
 def test_kwargs() -> None:
     with TestClient(app) as client:
         name = "Jon"
-        response = client.get("/kwargs", params = {"name": name})
+        response = client.get("/kwargs", params={"name": name})
         assert response.json() == {"name": name}