fix: nbstripout

Author: Baichuan Sun

notebook/02_Inference_in_pytorch.ipynb

@@ -383,4 +383,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}

notebook/04_SageMaker.ipynb

@@ -549,4 +549,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}