black reformatting

app.py

@@ -1,5 +1,6 @@
 import gradio as gr
 
+
 def calculator(num1, operation, num2):
     if operation == "add":
         return num1 + num2
@@ -12,17 +13,16 @@ def calculator(num1, operation, num2):
     elif operation == "mod":
         return num1 % num2
     elif operation == "exp":
-        return num1 ** num2
-    
+        return num1**num2
 
 
 demo = gr.Interface(
     fn=calculator,
     inputs=[
-            gr.Number(value=4), 
-            gr.Radio(["add", "subtract", "multiply", "divide", "mod", "exp"]), 
-            "number"
-            ],
+        gr.Number(value=4),
+        gr.Radio(["add", "subtract", "multiply", "divide", "mod", "exp"]),
+        "number",
+    ],
     outputs="number",
     examples=[
         [5, "add", 3],
@@ -37,4 +37,3 @@ demo = gr.Interface(
 )
 
 demo.launch()
-