Update app.py

app.py

@@ -1,11 +1,12 @@
 import gradio as gr
 
-def add(a,b):
-    return a+b
+def add(a, b):
+    return a + b
 
-  iface = gr.Interface(
-    in=add,
-    input=["number","number"],
+iface = gr.Interface(
+    fn=add,
+    inputs=["number", "number"],
     outputs="number"
 )
-  iface.launch()
+iface.launch()
+