env.user.write({'groups_id': [(4, env.ref('mymach_fleet_intelligence.group_mymach_fleet_manager').id)]})
env['res.users'].browse(2).write({'groups_id': [(4, env.ref('mymach_fleet_intelligence.group_mymach_fleet_manager').id)]})
env.cr.commit()
print("Group assigned to admin user successfully")