custom_nodes/ComfyUI-LTXTricks/nodes/modify_ltx_model_node.py

from ..modules.ltx_model import inject_model


class ModifyLTXModelNode:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": {"model": ("MODEL",),
                }}

    RETURN_TYPES = ("MODEL",)

    CATEGORY = "ltxtricks"
    FUNCTION = "modify"

    def modify(self, model):
        model.model.diffusion_model = inject_model(model.model.diffusion_model)
        return (model, )