Python 3 Support

[bergerf]

EXOS Longterm Maintenance Version is now 32.7.x.
but
Software version 32.2 adds support for Python 3.8. The support for all earlier versions including 2.7 have been removed.
https://documentation.extremenetworks.com/release_notes/ExtremeXOS/32.2/GUID-32529243-22E8-4FDF-9E13-51FEEC7E2402.shtml

Most python scripts will not work anymore due syntax errors .
(e.g. /master/EXOS/Python/DailyBackup.py)