Revert "Flake8ify"
Revert "Flake8ify"

This reverts commit f6e16f72fc9b7a39e667c0ca1a9a5217f1f9e304.

prakashpp/trytond-report-html-accounts,fulfilio/trytond-report-html-accounts,prakashpp/trytond-report-html-accounts,fulfilio/trytond-report-html-accounts