fix(proxy_server.py): raise streaming exceptions

litellm/main.py

@@ -213,10 +213,7 @@ async def _async_streaming(response, model, custom_llm_provider, args):
             print_verbose(f"line in async streaming: {line}")
             yield line
     except Exception as e: 
-        print_verbose(f"error raised _async_streaming: {traceback.format_exc()}")
-        raise exception_type(
-                model=model, custom_llm_provider=custom_llm_provider, original_exception=e, completion_kwargs=args,
-            )
+        raise e
 
 def mock_completion(model: str, messages: List, stream: Optional[bool] = False, mock_response: str = "This is a mock request", **kwargs):
     """