[BUG] shelly coap message errors

Environment

ShellyForHASS release with the issue: 0.1.9
Last working ShellyForHASS release (if known):
Home Assistant Core release with the issue: 0.114.2
Operating environment (Home Assistant/Supervised/Docker/venv): venv
Describe the bug

After updating latest shelly firmware, home-assistant and HACS 1.4.1 all connected shelly devices stopped to work. Error message is shown in the HA logs and all shelly devices are disabled in the user interface.

New error messages are shown continuously.

By using Shelly mobile app I am able to use devices normally.

Affects at least: Shelly 2pm, Shelly dimmer

Steps to Reproduce

Expected behavior

Screenshots

Traceback/Error logs

2020-08-18 18:38:02 ERROR (CoAP) [pyShelly] Error receive CoAP Traceback (most recent call last): File "/srv/homeassistant/lib/python3.7/site-packages/pyShelly/coap.py", line 183, in _loop ipaddr, 'CoAP-msg', payload) File "/srv/homeassistant/lib/python3.7/site-packages/pyShelly/init.py", line 242, in update_block block.update(data, ipaddr) File "/srv/homeassistant/lib/python3.7/site-packages/pyShelly/block.py", line 92, in update dev.update(data) File "/srv/homeassistant/lib/python3.7/site-packages/pyShelly/switch.py", line 46, in update self._update(state > 0, {'last_event' : self.last_event, TypeError: '>' not supported between instances of 'NoneType' and 'int'

StyraHem / ShellyForHASS