Update app.py

app.py

@@ -12,7 +12,7 @@ models = {scale: RealESRGAN(device, scale=scale) for scale in model_scales.value
 def inference(images, scale):
     results = []
     
-    if images is None or len(images) == 0:
+    if images is None:
         raise gr.Error("No image uploaded. Please upload at least one image.")
     
     for image in images: