[RLlib] MB-MPO cleanup (comments, docstrings, type annotations). (#11033)

python/ray/tune/trainable.py

@@ -289,7 +289,7 @@ class Trainable:
         return ""
 
     def get_current_ip(self):
-        self._local_ip = ray._private.services.get_node_ip_address()
+        self._local_ip = ray.services.get_node_ip_address()
         return self._local_ip
 
     def train(self):

python/ray/tune/trial_runner.py

@@ -10,7 +10,7 @@ import traceback
 import types
 
 import ray.cloudpickle as cloudpickle
-from ray._private.services import get_node_ip_address
+from ray.services import get_node_ip_address
 from ray.tune import TuneError
 from ray.tune.stopper import NoopStopper
 from ray.tune.progress_reporter import trial_progress_str