Update app.py

app.py

@@ -17,10 +17,10 @@ from Gradio_UI import GradioUI
         number1: the first number
         number2: the second number
     """
-        try:
-            c = math.sqrt((number1**2)+(number2**2))
-        except error:
-            c=-1
+    try:
+        c = math.sqrt((number1**2)+(number2**2))
+    except error:
+        c=-1
             
     return c