Update app.py

app.py

@@ -30,7 +30,7 @@ def generate_txt2img(current_model, prompt, is_negative=False, image_style="None
         API_URL = "https://api-inference.huggingface.co/models/stablediffusionapi/disney-pixar-cartoon"
     elif current_model == "Pixel-Art-XL":
         API_URL = "https://api-inference.huggingface.co/models/nerijs/pixel-art-xl"
-    elif current_model == "dalle-3-xl":
+    elif current_model == "Dalle-3-XL":
         API_URL = "https://api-inference.huggingface.co/models/openskyml/dalle-3-xl"