Update app.py

app.py

@@ -7,6 +7,7 @@ import os
 from io import BytesIO
 import io
 import html
+import PIL
 from PIL import Image
 import re
 
@@ -33,7 +34,7 @@ def hf_inference(prompt, negative, model, steps, sampler, guidance, width, heigh
         }, model=model)
         image = Image.open(io.BytesIO(image_bytes))
         return image
-    expect PIL.UnidentifiedImageError:
+    except PIL.UnidentifiedImageError:
         gr.Warning("This model is not loaded now. Try others models.")