linting

src/lerobot/policies/fastwam/wan/modules/model.py

@@ -11,6 +11,7 @@ if TYPE_CHECKING or _diffusers_available:
     from diffusers.configuration_utils import ConfigMixin, register_to_config
     from diffusers.models.modeling_utils import ModelMixin
 else:
+
     class ModelMixin:
         pass
 
@@ -20,6 +21,7 @@ else:
     def register_to_config(init):
         return init
 
+
 from .attention import flash_attention
 
 __all__ = ["WanModel"]