diff --git a/1-getting-started/lessons/1-introduction-to-iot/code/pi/nightlight/app.py b/1-getting-started/lessons/1-introduction-to-iot/code/pi/nightlight/app.py
index f0b303f3..f301245e 100644
--- a/1-getting-started/lessons/1-introduction-to-iot/code/pi/nightlight/app.py
+++ b/1-getting-started/lessons/1-introduction-to-iot/code/pi/nightlight/app.py
@@ -1 +1 @@
-print('Hello World!')
\ No newline at end of file
+print("Hello World!")