Fix a bug where group line readings were rounded to integers
Fix a bug where group line readings were rounded to integers

beloitcollegecomputerscience/OED,OpenEnergyDashboard/OED,beloitcollegecomputerscience/OED,OpenEnergyDashboard/OED,OpenEnergyDashboard/OED,OpenEnergyDashboard/OED,beloitcollegecomputerscience/OED,beloitcollegecomputerscience/OED