大佬，loock_v4_d918_lock从0.65开始报错了

[yuyuye84]

大佬，最近loock_v4_d918_lock报错了，相关两个实体不再可用，报错日志如下。
我记得在0.65之前应该是正常的。

Logger: homeassistant.helpers.entity
Source: components/sensor/__init__.py:408
First occurred: 13:13:58 (151 occurrences)
Last logged: 14:28:57

Update for sensor.loock_v4_d918_lock fails
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/sensor/__init__.py", line 397, in state
    if value.tzinfo is None:
AttributeError: 'str' object has no attribute 'tzinfo'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 515, in async_update_ha_state
    await self.async_device_update()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 743, in async_device_update
    raise exc
  File "/config/custom_components/xiaomi_miot/sensor.py", line 190, in async_update
    await self.async_update_attrs({
  File "/config/custom_components/xiaomi_miot/__init__.py", line 1046, in async_update_attrs
    return await self.hass.async_add_executor_job(
  File "/usr/local/lib/python3.9/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/config/custom_components/xiaomi_miot/__init__.py", line 1040, in update_attrs
    self._update_attr_sensor_entities(pls, domain='sensor')
  File "/config/custom_components/xiaomi_miot/__init__.py", line 978, in _update_attr_sensor_entities
    self._subs[p].update_from_parent()
  File "/config/custom_components/xiaomi_miot/__init__.py", line 2277, in update_from_parent
    self.async_write_ha_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 533, in async_write_ha_state
    self._async_write_ha_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 571, in _async_write_ha_state
    state = self._stringify_state(available)
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 539, in _stringify_state
    if (state := self.state) is None:
  File "/usr/src/homeassistant/homeassistant/components/sensor/__init__.py", line 408, in state
    raise ValueError(
ValueError: Invalid datetime: sensor.loock_v4_d918_timestamp has a timestamp device class but does not provide a datetime state but <class 'str'>

[al-one]

已修复，请更新至master分支

[a451435623]

更新master分支后，loock.lock.v1恢复正常了，亲测有效