7368b2a4e8c6b32b975a62d64efb65bbd6bd1df1,pandas/io/formats/excel.py,ExcelFormatter,_format_header_mi,#ExcelFormatter#,527

Before Change

                values = levels.take(level_codes)
                for i in spans:
                    if spans[i] > 1:
                        yield ExcelCell(
                            lnum,
                            coloffset + i + 1,
                            values[i],
                            self.header_style,
                            lnum,
                            coloffset + i + spans[i],
                        )
                    else:
                        yield ExcelCell(
                            lnum, coloffset + i + 1, values[i], self.header_style
                        )

After Change

                zip(level_lengths, columns.levels, columns.codes)
            ):
                values = levels.take(level_codes)
                for i, span_val in spans.items():
                    spans_multiple_cells = span_val > 1
                    yield ExcelCell(
                        row=lnum,
                        col=coloffset + i + 1,
                        val=values[i],
                        style=self.header_style,
                        mergestart=lnum if spans_multiple_cells else None,
                        mergeend=(
                            coloffset + i + span_val if spans_multiple_cells else None
                        ),
                    )
        else:
            // Format in legacy format with dots to indicate levels.

Instances