Update app.py

app.py

@@ -2,7 +2,7 @@ import gradio as gr
 import cv2
 import numpy as np
 
-def convert_to_grayscale(image)
+def convert_to_grayscale(image):
     # 이미지를 흑백으로 변환
     gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
     return gray_image