diff --git a/app/activitypub.py b/app/activitypub.py
index 4121ff7..1ac0d15 100644
--- a/app/activitypub.py
+++ b/app/activitypub.py
@@ -112,9 +112,7 @@ class VisibilityEnum(str, enum.Enum):
     DIRECT = "direct"
 
 
-def handle_visibility(
-        ap_object: dict
-) -> VisibilityEnum:
+def handle_visibility(ap_object: dict) -> VisibilityEnum:
     to = ap_object.get("to", [])
     cc = ap_object.get("cc", [])
     if AS_PUBLIC in to:
@@ -146,9 +144,9 @@ def wrap_ap_object(ap_object: dict) -> dict:
 
 
 async def post(
-        url: str,
-        payload : dict,
-) -> httpx.Response :
+    url: str,
+    payload: dict,
+) -> httpx.Response:
     logger.info(f"send post, {payload=}")
 
     async with httpx.AsyncClient() as client:
@@ -167,7 +165,7 @@ async def post(
 
 
 async def fetch(
-        url: str,
+    url: str,
 ) -> dict:
     logger.info(f"fetch {url}")