[FIX] l10n_br_nfse: _create_event_save_xml error
[FIX] l10n_br_nfse: _create_event_save_xml error

akretion/l10n-brazil,OCA/l10n-brazil,OCA/l10n-brazil,akretion/l10n-brazil,akretion/l10n-brazil,OCA/l10n-brazil