ShellyForHASS: [BUG] assert self.hass is not None after upgrading to HA 0.112.0

Environment

• ShellyForHASS release with the issue: 0.1.8
• Last working ShellyForHASS release (if known): It worked great with ShellyForHASS 0.1.8 and Home assistant 0.111.x
• Home Assistant Core release with the issue: 0.112.0
• Operating environment (Home Assistant/Supervised/Docker/venv): Home Assistant running on rPi

Describe the bug

Something seems to have changed in HA 0.112.0 regarding the hass object. I get this error below in the Shelly component.

Steps to Reproduce

Upgrade to HA 0.112.0 and start Home Assistant.

Expected behavior

Screenshots

Traceback/Error logs

2020-07-02 13:17:53 ERROR (Thread-261) [pyShelly] Error update device status: 5A3890 SHRGBW2, , Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/pyShelly/block.py", line 132, in update_status_information
    dev.update_status_information(status)
  File "/usr/local/lib/python3.7/site-packages/pyShelly/powermeter.py", line 96, in update_status_information
    self._update(self.state, info_values=self.info_values)
  File "/usr/local/lib/python3.7/site-packages/pyShelly/device.py", line 115, in _update
    self.raise_updated()
  File "/usr/local/lib/python3.7/site-packages/pyShelly/device.py", line 125, in raise_updated
    callback(self)
  File "/config/custom_components/shelly/device.py", line 53, in _updated
    self.schedule_update_ha_state(True)
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 416, in schedule_update_ha_state
    assert self.hass is not None
AssertionError

Additional context