diff --git a/hw1/cs285/infrastructure/pytorch_util.py b/hw1/cs285/infrastructure/pytorch_util.py
index bc7a4081..5b7b2e0a 100644
--- a/hw1/cs285/infrastructure/pytorch_util.py
+++ b/hw1/cs285/infrastructure/pytorch_util.py
@@ -47,6 +47,7 @@ def build_mlp(
 
     # TODO: return a MLP. This should be an instance of nn.Module
     # Note: nn.Sequential is an instance of nn.Module.
+    return MLP 
     raise NotImplementedError