Update app.py

app.py

@@ -37,7 +37,7 @@ story_generator = load_text_model()
 def load_image_model():
     try:
         st.write("⏳ Loading image model...")
-        model_id = "runwayml/stable-diffusion-v1-5"
+        model_id = "stabilityai/sd-turbo"
         model = StableDiffusionPipeline.from_pretrained(
             model_id,
             torch_dtype=torch.float16 if device == "cuda" else torch.float32