Update app.py

app.py

@@ -24,7 +24,7 @@ def detect_faces(image):
     for (x, y, w, h) in faces:
         cv2.rectangle(image_np, (x, y), (x+w, y+h), (0, 255, 0), 2)
     
-    return im,image_np
+    return (im,image_np)
 
 interface = gr.Interface(
     fn=detect_faces,