Fix jupyter

See merge request !1314
10 jobs for master in 0 seconds (queued for 1 second)
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:05:51

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

08:53:05

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

00:49:11

passed SlapOS.Eggs.UnitTest-Master.Python2

00:14:16

passed SlapOS.Eggs.UnitTest-Master.Python3

00:14:32

passed SlapOS.KVM.ResilienceTest-Master

00:20:20

passed SlapOS.SlapRunner.ResilienceTest-Master

00:23:48

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:20:16

passed SlapOS.SoftwareReleases.IntegrationTest-Master

04:45:21

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:31:27