def load(cls, copula_path):
        """Create a new instance from a file.

        Args:
            copula_path: `str` file with the serialized copula.

        Returns:
            Bivariate: Instance with the parameters stored in the file.
        """
        with open(copula_path) as f:
            copula_dict = json.load(f)

        return cls.from_dict(copula_dict)