def _load_weights(path: str) -> dict:
    """
    Load weights of a model.

    Args:
        path: Path to model weights

    Returns:
        Weights
    """
    weights = torch.load(path, map_location=lambda storage, loc: storage)
    if "model_state_dict" in weights:
        weights = weights["model_state_dict"]
    return weights

    Load weights of a model.

    Args:
        path: Path to model weights

    Returns:
        Weights
    
catalyst/contrib/utils/swa.py