diff --git a/src/sumo/wrapper/sumo_client.py b/src/sumo/wrapper/sumo_client.py
index 3ff70b4..627c6f5 100644
--- a/src/sumo/wrapper/sumo_client.py
+++ b/src/sumo/wrapper/sumo_client.py
@@ -424,9 +424,13 @@ def create_shared_access_key_for_case(self, case_uuid):
     def client_for_case(self, case_uuid):
         """Instantiate and return new SumoClient for accessing the
         case identified by "case_uuid*."""
-        return SumoClient(env=self.env, verbosity=self._verbosity,
-                          retry_strategy=self._retry_strategy,
-                          timeout=self._timeout, case_uuid=case_uuid)
+        return SumoClient(
+            env=self.env,
+            verbosity=self._verbosity,
+            retry_strategy=self._retry_strategy,
+            timeout=self._timeout,
+            case_uuid=case_uuid,
+        )
 
     @raise_for_status_async
     async def get_async(self, path: str, params: dict = None):