Update patcher.py

src/llmtuner/model/patcher.py

@@ -285,6 +285,7 @@ def patch_model(
         _prepare_model_for_training(model, model_args)
 
     if getattr(model.config, "model_type", None) == "mixtral" and is_deepspeed_zero3_enabled():
+        require_version("deepspeed>=0.13.0", "To fix: pip install deepspeed>=0.13.0")
         from deepspeed.utils import set_z3_leaf_modules
         from transformers.models.mixtral.modeling_mixtral import MixtralSparseMoeBlock
         set_z3_leaf_modules(model, [MixtralSparseMoeBlock])