Update app.py

app.py

@@ -6,9 +6,9 @@ import spaces
 import random
 from basicsr.archs.rrdbnet_arch import RRDBNet
 from basicsr.utils.download_util import load_file_from_url
-
 from realesrgan import RealESRGANer
 from realesrgan.archs.srvgg_arch import SRVGGNetCompact
+from torchvision.transforms.functional import rgb_to_grayscale
 
 
 last_file = None