Update app.py

app.py

@@ -64,7 +64,7 @@ def update_output(sender):
         output.text = f'{num1} {sender.label} {num2} = {num1 {sender.label} num2}'
     elif sender == button_add or sender == button_subtract or sender == button_multiply or sender == button_divide:
         num1 = float(input_box.get_value('num1'))
-        num2 = float(input_box.get_value('num2'))
+        num2 = float(input_ box.get_value('num2'))
         result = None
         if sender == button_add:
             result = add()
@@ -87,4 +87,5 @@ def update_output(sender):
             result = exp()
         output.text = f'{num1} {sender.label} {num2} = {result}'
 
-# Run the application
+# Run the application
+gr.run_application(layout)