Update app.py

app.py

@@ -88,6 +88,7 @@ def clean_chat_history(chat_history):
     return cleaned
 
 # Environment variables and parameters for Stable Diffusion XL
+# Use : SG161222/RealVisXL_V4.0_Lightning or SG161222/RealVisXL_V5.0_Lightning
 MODEL_ID_SD = os.getenv("MODEL_VAL_PATH")  # SDXL Model repository path via env variable
 MAX_IMAGE_SIZE = int(os.getenv("MAX_IMAGE_SIZE", "4096"))
 USE_TORCH_COMPILE = os.getenv("USE_TORCH_COMPILE", "0") == "1"