[FIX] missing unicode in format string
@ -42,7 +42,7 @@ class MisBuilderXlsx(ReportXlsx):
style_obj = self.env['mis.report.style']
# create worksheet
report_name = '{} - {}'.format(
report_name = u'{} - {}'.format(
objects[0].name, objects[0].company_id.name)
sheet = workbook.add_worksheet(report_name[:31])
row_pos = 0