Fix coordinates conversion

See merge request !1807
14 jobs for for_testrunner_1
Status Job ID Name Coverage
  External
failed ERP5.CodingStyleTest-Master

01:22:01

passed ERP5.PerformanceTest-Master

00:40:34

passed ERP5.UnitTest-Master

01:50:26

failed ERP5.UnitTest-Zope2

02:43:46

passed SlapOS.Eggs.UnitTest-Master.Python2

00:20:23

passed SlapOS.Eggs.UnitTest-Master.Python3

00:22:36

passed Wendelin.UnitTest-Master

01:19:38

failed ERP5.UnitTest-Zope2

passed SlapOS.Eggs.UnitTest-Master.Python2

00:16:45

passed SlapOS.Eggs.UnitTest-Master.Python2

00:22:00

passed SlapOS.Eggs.UnitTest-Master.Python2

00:19:57

passed SlapOS.Eggs.UnitTest-Master.Python3

00:18:50

passed SlapOS.Eggs.UnitTest-Master.Python3

00:30:28

passed SlapOS.Eggs.UnitTest-Master.Python3

00:21:02