Python4Capella, adding package to Python

Hello,
I’am working on Capella 6.1 and Python4Capella 1.3.0 under windows 11
If i try some samples scripts, all is fine.
I’v tried to follow the indications for installing new package.
So i started by upgraded pip. All is fine after this operation, and in the windows preference for Python Editor, i can see the different package include in the Python37 version.
But if i tried to add a package, like pandas, the scripts are enable to be launch.

Anyone has a suggestion on how adding package ?