--img-size stride-multiple verification

detect.py

@@ -156,6 +156,7 @@ if __name__ == '__main__':
     parser.add_argument('--agnostic-nms', action='store_true', help='class-agnostic NMS')
     parser.add_argument('--augment', action='store_true', help='augmented inference')
     opt = parser.parse_args()
+    opt.img_size = check_img_size(opt.img_size)
     print(opt)
 
     with torch.no_grad():