[FIX] Return a float value instead of string for _select_quantity in sentinel.py
[FIX] Return a float value instead of string for _select_quantity in sentinel.py

open-synergy/stock-logistics-workflow,gurneyalex/stock-logistics-workflow,gurneyalex/stock-logistics-workflow,akretion/stock-logistics-workflow,acsone/stock-logistics-workflow,open-synergy/stock-logistics-workflow,brain-tec/stock-logistics-workflow,Eficent/stock-logistics-workflow,akretion/stock-logistics-workflow,brain-tec/stock-logistics-workflow,Eficent/stock-logistics-workflow,acsone/stock-logistics-workflow