remove deprecated RayServeHandle and remove await for obj ref

Author: mimiliaogo

text_ml.py

@@ -2,7 +2,7 @@
 from typing import Dict
 
 from ray import serve
-from ray.serve.handle import RayServeHandle
+from ray.serve.handle import DeploymentHandle
 
 from transformers import pipeline
 
@@ -35,7 +35,7 @@ def reconfigure(self, config: Dict):
 
 @serve.deployment
 class Summarizer:
-    def __init__(self, translator: RayServeHandle):
+    def __init__(self, translator: DeploymentHandle):
         # Load model
         self.model = pipeline("summarization", model="t5-small")
         self.translator = translator
@@ -56,11 +56,8 @@ def summarize(self, text: str) -> str:
     async def __call__(self, http_request: Request) -> str:
         english_text: str = await http_request.json()
         summary = self.summarize(english_text)
-
-        translation_ref = await self.translator.translate.remote(summary)
-        translation = await translation_ref
-
-        return translation
+        
+        return await self.translator.translate.remote(summary)
 
     def reconfigure(self, config: Dict):
         self.min_length = config.get("min_length", 5)