diff --git a/src/aioacme/_client.py b/src/aioacme/_client.py
index 924173c..0203609 100644
--- a/src/aioacme/_client.py
+++ b/src/aioacme/_client.py
@@ -241,6 +241,7 @@ async def change_key(self, new_account_key: PrivateKeyTypes) -> None:
     async def get_account_uri(self) -> str:
         """
         Get current account URI.
+
         :return: URI.
         """
         if self._account_uri is None: