Update app.py

app.py

@@ -11,7 +11,7 @@ API_URL = "https://api-inference.huggingface.co/models/openskyml/dalle-3-xl"
 API_TOKEN = os.getenv("HF_READ_TOKEN") # it is free
 headers = {"Authorization": f"Bearer {API_TOKEN}"}
 
-def query(prompt, model, is_negative=False, steps=20, cfg_scale, seed):
+def query(prompt, model, is_negative=False, steps=20, cfg_scale=7, seed=-1):
     language = detect(prompt)
     
     if language == 'ru':