def _write_set(self, df: pd.DataFrame, set_name, handle: pd.ExcelWriter):
    df.to_excel(handle, sheet_name=set_name, merge_cells=False, index=False)
def _write_set(self, df: pd.DataFrame, set_name, handle: pd.ExcelWriter):
    df.to_excel(handle, sheet_name=set_name, merge_cells=False, index=False)