[docs] Fix args + kwargs instead of docstrings (#13068)

* functools wraps

* Fix typo (functoools -> functools)

python/ray/_private/client_mode_hook.py

@@ -1,5 +1,6 @@
 import os
 from contextlib import contextmanager
+from functools import wraps
 
 client_mode_enabled = os.environ.get("RAY_CLIENT_MODE", "0") == "1"
 
@@ -38,6 +39,7 @@ def client_mode_hook(func):
     """
     from ray.experimental.client import ray
 
+    @wraps(func)
     def wrapper(*args, **kwargs):
         global _client_hook_enabled
         if client_mode_enabled and _client_hook_enabled: