[DEV] Migrate python scripts to python3
[DEV] Migrate python scripts to python3

Change-Id: I081f0b0397341dd0be4f52bc300d392eb4fafa97
Reviewed-on: https://gerrit.parrot.biz/71126
Reviewed-by: Nicolas Christe <44f12b1164ee060049420b4422207ea84db37954@parrot.com>

Parrot-Developers/libARCommands,Parrot-Developers/libARCommands,Parrot-Developers/libARCommands