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Don't round in energy cost sensor (#56258)

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Erik Montnemery 2021-09-27 12:01:17 +02:00 • committed by GitHub
parent 56b94d6809
commit efe467217a
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1 changed files with 2 additions and 4 deletions
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6
homeassistant/components/energy/sensor.py
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@ -221,7 +221,6 @@ class EnergyCostSensor(SensorEntity):
self._attr_state_class = STATE_CLASS_TOTAL
self._config = config
self._last_energy_sensor_state: State | None = None
self._cur_value = 0.0
# add_finished is set when either of async_added_to_hass or add_to_platform_abort
# is called
self.add_finished = asyncio.Event()
@ -229,7 +228,6 @@ class EnergyCostSensor(SensorEntity):
def _reset(self, energy_state: State) -> None:
"""Reset the cost sensor."""
self._attr_native_value = 0.0
self._cur_value = 0.0
self._attr_last_reset = dt_util.utcnow()
self._last_energy_sensor_state = energy_state
self.async_write_ha_state()
@ -339,8 +337,8 @@ class EnergyCostSensor(SensorEntity):
self._reset(energy_state_copy)
# Update with newly incurred cost
old_energy_value = float(self._last_energy_sensor_state.state)
self._cur_value += (energy - old_energy_value) * energy_price
self._attr_native_value = round(self._cur_value, 2)
cur_value = cast(float, self._attr_native_value)
self._attr_native_value = cur_value + (energy - old_energy_value) * energy_price
self._last_energy_sensor_state = energy_state