patches/pylint: ignore warnings related to using python2

Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-TestRunner1

00:44:17

passed ERP5.PerformanceTest-TestRunner1

00:37:55

failed ERP5.UnitTest-TestRunner1

02:09:49

failed ERP5.UnitTest-TestRunner1

02:15:02

failed ERP5.UnitTest-TestRunner1

02:00:44

failed ERP5.UnitTest-TestRunner1

01:54:01

failed ERP5.UnitTest-TestRunner1

01:58:06

failed ERP5.UnitTest-TestRunner1

01:50:08

failed ERP5.UnitTest-TestRunner1

02:18:25

failed ERP5.UnitTest-TestRunner1

01:24:19