fix another missing newline

alessandrofelder · alessandrofelder · commit 17540d73c793 · 2020-10-28T16:15:17.000Z
diff --git a/ch03tests/08DiffusionExample.ipynb b/ch03tests/08DiffusionExample.ipynb
@@ -70549,4 +70549,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 1
-}
+}
