overwrite xformers in the unclip model config if not available

    elif shared.cmd_opts.upcast_sampling:

        sd_config.model.params.unet_config.params.use_fp16 = True

    if getattr(sd_config.model.params.first_stage_config.params.ddconfig, "attn_type", None) == "vanilla-xformers" and not shared.xformers_available:

        sd_config.model.params.first_stage_config.params.ddconfig.attn_type = "vanilla"

    # For UnCLIP-L, override the hardcoded karlo directory

    if hasattr(sd_config.model.params, "noise_aug_config") and hasattr(sd_config.model.params.noise_aug_config.params, "clip_stats_path"):

        karlo_path = os.path.join(paths.models_path, 'karlo')