diff --git a/tutorial.ipynb b/tutorial.ipynb
index db6ab23a5ba5..bdfba399a883 100644
--- a/tutorial.ipynb
+++ b/tutorial.ipynb
@@ -1,4 +1,4 @@
-{ 
+{
   "nbformat": 4,
   "nbformat_minor": 0,
   "metadata": {