models - bedrock - remove signaling (#429)

Author: pgrayy

src/strands/models/bedrock.py

@@ -7,7 +7,6 @@
 import json
 import logging
 import os
-import threading
 from typing import Any, AsyncGenerator, Callable, Iterable, Literal, Optional, Type, TypeVar, Union
 
 import boto3
@@ -335,12 +334,8 @@ def callback(event: Optional[StreamEvent] = None) -> None:
             if event is None:
                 return
 
-            signal.wait()
-            signal.clear()
-
         loop = asyncio.get_event_loop()
         queue: asyncio.Queue[Optional[StreamEvent]] = asyncio.Queue()
-        signal = threading.Event()
 
         thread = asyncio.to_thread(self._stream, callback, messages, tool_specs, system_prompt)
         task = asyncio.create_task(thread)
@@ -351,7 +346,6 @@ def callback(event: Optional[StreamEvent] = None) -> None:
                 break
 
             yield event
-            signal.set()
 
         await task