From c96656089cc54821de937dad6a3d1d8a00653091 Mon Sep 17 00:00:00 2001
From: aviruthen <91846056+aviruthen@users.noreply.github.com>
Date: Mon, 15 Sep 2025 15:43:13 -0700
Subject: [PATCH] Adding default identity implementations to InferenceSpec

---
 src/sagemaker/serve/spec/inference_spec.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/sagemaker/serve/spec/inference_spec.py b/src/sagemaker/serve/spec/inference_spec.py
index 0397e84975..9026c95841 100644
--- a/src/sagemaker/serve/spec/inference_spec.py
+++ b/src/sagemaker/serve/spec/inference_spec.py
@@ -30,9 +30,11 @@ def invoke(self, input_object: object, model: object):
 
     def preprocess(self, input_data: object):
         """Custom pre-processing function"""
+        return input_data
 
     def postprocess(self, predictions: object):
         """Custom post-processing function"""
+        return predictions
 
     def prepare(self, *args, **kwargs):
         """Custom prepare function"""