fix: app.py syntax error

app.py

@@ -21,8 +21,8 @@ def predict(img):
     pixel_values = processor(img, return_tensors="pt").pixel_values
 
     outputs = model.generate(
-            pixel_values.to(device)
-            min_length=1
+            pixel_values.to(device),
+            min_length=1,
             max_new_tokens=30,
             bad_words_ids=[[processor.tokenizer.unk_token_id]],
     )