How to use the rdt.HyperTransformer function in rdt

def _fit_hyper_transformer(self, data):
        """Create and return a new ``rdt.HyperTransformer`` instance.

        First get the ``dtypes`` and then use them to build a transformer dictionary
        to be used by the ``HyperTransformer``.

        Returns:
            rdt.HyperTransformer
        """
        dtypes = self.get_dtypes(ids=False)
        transformers_dict = self._get_transformers(dtypes)
        self._hyper_transformer = rdt.HyperTransformer(transformers=transformers_dict)
        self._hyper_transformer.fit(data[list(dtypes.keys())])

First get the ``dtypes`` and ``pii fields`` from a given table, then use
        those to build a transformer dictionary to be used by the ``HyperTransformer``.

        Args:
            table_name (str):
                Table name for which to load the HyperTransformer.

        Returns:
            rdt.HyperTransformer:
                Instance of ``rdt.HyperTransformer`` for the given table.
        """
        dtypes = self.get_dtypes(table_name)
        pii_fields = self._get_pii_fields(table_name)
        transformers_dict = self._get_transformers(dtypes, pii_fields)
        return HyperTransformer(transformers=transformers_dict)