1c7a87e96c4b6180e423586193c26e5ccd2f6bfd,sklearn_pandas/__init__.py,DataFrameMapper,transform,#DataFrameMapper#,117

Before Change

            if transformer is not None:
                fea = transformer.transform(self._get_col_subset(X, columns))
            else:
                fea = self._get_col_subset(X, columns)

            if hasattr(fea, "toarray"):
                // sparse arrays should be converted to regular arrays
                // for hstack.

After Change

                    for transformer in transformers:
                        extracted.append(self._handle_feature(transformer.transform(self._get_col_subset(X, columns))))
                else:
                    extracted.append(self._handle_feature(transformers.transform(self._get_col_subset(X, columns))))
            else:
                extracted.append(self._handle_feature(self._get_col_subset(X, columns)))

Instances