[FIX] hw_scale: read values from Adam scale
[FIX] hw_scale: read values from Adam scale

with migration from python2 to python3 not all regexes where converted
to byte-array.

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo