Repository: home-assistant/core
File: tests/util/test_unit_conversion.py (Python)

Code before:
    ElectricCurrentConverter: (
        UnitOfElectricCurrent.AMPERE,
        UnitOfElectricCurrent.MILLIAMPERE,
        0.001,
    ),
    ElectricPotentialConverter: (
        UnitOfElectricPotential.MILLIVOLT,
        UnitOfElectricPotential.VOLT,
        1000,
    ),
    EnergyConverter: (UnitOfEnergy.WATT_HOUR, UnitOfEnergy.KILO_WATT_HOUR, 1000),
    EnergyDistanceConverter: (
        UnitOfEnergyDistance.MILES_PER_KILO_WATT_HOUR,
        UnitOfEnergyDistance.KM_PER_KILO_WATT_HOUR,
        0.621371,
    ),
    InformationConverter: (UnitOfInformation.BITS, UnitOfInformation.BYTES, 8),
    MassConverter: (UnitOfMass.STONES, UnitOfMass.KILOGRAMS, 0.157473),
    MassVolumeConcentrationConverter: (
        CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        CONCENTRATION_MILLIGRAMS_PER_CUBIC_METER,
        1000,
    ),
    OzoneConcentrationConverter: (
        CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        CONCENTRATION_PARTS_PER_MILLION,
        1.9632,
    ),
    PowerConverter: (UnitOfPower.WATT, UnitOfPower.KILO_WATT, 1000),
    PressureConverter: (UnitOfPressure.HPA, UnitOfPressure.INHG, 33.86389),
    ReactiveEnergyConverter: (
        UnitOfReactiveEnergy.VOLT_AMPERE_REACTIVE_HOUR,
        UnitOfReactiveEnergy.KILO_VOLT_AMPERE_REACTIVE_HOUR,
        1000,
    ),
    ReactivePowerConverter: (
        UnitOfReactivePower.MILLIVOLT_AMPERE_REACTIVE,
        UnitOfReactivePower.VOLT_AMPERE_REACTIVE,
        1000,
    ),
    SpeedConverter: (
        UnitOfSpeed.KILOMETERS_PER_HOUR,
        UnitOfSpeed.MILES_PER_HOUR,
        1.609343,
    ),
    TemperatureConverter: (
        UnitOfTemperature.CELSIUS,
        UnitOfTemperature.FAHRENHEIT,
        0.555556,
    ),
    TemperatureDeltaConverter: (

Review comment (suggestion):
```suggestion
        CONCENTRATION_PARTS_PER_BILLION,
```

Code after:
        8,
    ),
    DistanceConverter: (UnitOfLength.KILOMETERS, UnitOfLength.METERS, 0.001),
    DurationConverter: (UnitOfTime.MINUTES, UnitOfTime.SECONDS, 1 / 60),
    ElectricCurrentConverter: (
        UnitOfElectricCurrent.AMPERE,
        UnitOfElectricCurrent.MILLIAMPERE,
        0.001,
    ),
    ElectricPotentialConverter: (
        UnitOfElectricPotential.MILLIVOLT,
        UnitOfElectricPotential.VOLT,
        1000,
    ),
    EnergyConverter: (UnitOfEnergy.WATT_HOUR, UnitOfEnergy.KILO_WATT_HOUR, 1000),
    EnergyDistanceConverter: (
        UnitOfEnergyDistance.MILES_PER_KILO_WATT_HOUR,
        UnitOfEnergyDistance.KM_PER_KILO_WATT_HOUR,
        0.621371,
    ),
    InformationConverter: (UnitOfInformation.BITS, UnitOfInformation.BYTES, 8),
    MassConverter: (UnitOfMass.STONES, UnitOfMass.KILOGRAMS, 0.157473),
    MassVolumeConcentrationConverter: (
        CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        CONCENTRATION_MILLIGRAMS_PER_CUBIC_METER,
        1000,
    ),
    NitrogenDioxideConcentrationConverter: (
        CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        CONCENTRATION_PARTS_PER_BILLION,
        1.912503,
    ),
    OzoneConcentrationConverter: (
        CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        CONCENTRATION_PARTS_PER_BILLION,
        1.995417,
    ),
    PowerConverter: (UnitOfPower.WATT, UnitOfPower.KILO_WATT, 1000),
    PressureConverter: (UnitOfPressure.HPA, UnitOfPressure.INHG, 33.86389),
    ReactiveEnergyConverter: (
        UnitOfReactiveEnergy.VOLT_AMPERE_REACTIVE_HOUR,
        UnitOfReactiveEnergy.KILO_VOLT_AMPERE_REACTIVE_HOUR,
        1000,
    ),
    ReactivePowerConverter: (
        UnitOfReactivePower.MILLIVOLT_AMPERE_REACTIVE,
        UnitOfReactivePower.VOLT_AMPERE_REACTIVE,
        1000,
    ),
    SpeedConverter: (
        UnitOfSpeed.KILOMETERS_PER_HOUR,