fix: address review comments (iteration #4)

Author: aviruthen

sagemaker-core/src/sagemaker/core/serializers/base.py

@@ -452,6 +452,7 @@ def __init__(self, content_type="tensor/pt"):
                 "Unable to import torch. Please install torch to use TorchTensorSerializer: "
                 "pip install 'sagemaker-core[torch]'"
             ) from e
+
         self.numpy_serializer = NumpySerializer()
 
     def serialize(self, data):