fix prompting

tgbot/shit/prompting.py

@@ -177,7 +177,7 @@ def create_prompting_parser():
                         help="denoise level, default is 1", default=1.0)
 
     parser.add_argument("--stop_at_clip_layer", type=int,
-                        help="clip skip, default is -1, ", default=-1)
+                        help="clip skip, default is -2, ", default=-2)
 
     parser.add_argument("--lora", type=lora, action="append",
                         help="add lora to prompt, e.g. --lora lora_name.safetensors:0.8. "