diff --git a/examples/simple_example.py b/examples/simple_example.py
index 26d900f..7bc9849 100644
--- a/examples/simple_example.py
+++ b/examples/simple_example.py
@@ -12,7 +12,6 @@ app.title("CustomTkinter simple_example.py")
 def button_callback():
     print("Button click", combobox_1.get())
 
-
 def slider_callback(value):
     progressbar_1.set(value)