Hassio hassos-supervisor ERROR (MainThread) [asyncio] Unclosed client session

Home Assistant release with the issue:

0.8.51
Operating environment (HassOS/Generic):
hassio raspberry pi 3b

Supervisor logs:

Jan 17 10:26:01 hassio hassos-supervisor[11341]: hassos_supervisor
Jan 17 10:26:09 hassio hassos-supervisor[11341]: 19-01-17 10:26:09 INFO (MainThread) [main] Initialize Hass.io setup
Jan 17 10:26:09 hassio hassos-supervisor[11341]: 19-01-17 10:26:09 INFO (MainThread) [main] Setup HassIO
Jan 17 10:26:09 hassio hassos-supervisor[11341]: 19-01-17 10:26:09 INFO (SyncWorker_0) [hassio.docker.supervisor] Attach to Supervisor homeassistant/armhf-hassio-supervisor with version 142
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Introspect org.freedesktop.systemd1 on /org/freedesktop/systemd1
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Connect to dbus: org.freedesktop.systemd1 - /org/freedesktop/systemd1
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Introspect org.freedesktop.hostname1 on /org/freedesktop/hostname1
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Connect to dbus: org.freedesktop.hostname1 - /org/freedesktop/hostname1
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Introspect de.pengutronix.rauc on /
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Connect to dbus: de.pengutronix.rauc - /
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.host.info] Update local host information
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Call org.freedesktop.DBus.Properties.GetAll on /org/freedesktop/hostname1
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.host.services] Update service information
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Call org.freedesktop.systemd1.Manager.ListUnits on /org/freedesktop/systemd1
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.host.apparmor] Load AppArmor Profiles: {‘hassio-supervisor’}
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.host.services] Reload local service hassos-apparmor.service
Jan 17 10:26:11 hassio hassos-supervisor[11341]: 19-01-17 10:26:11 INFO (MainThread) [hassio.utils.gdbus] Call org.freedesktop.systemd1.Manager.ReloadOrRestartUnit on /org/freedesktop/systemd1
Jan 17 10:26:12 hassio hassos-supervisor[11341]: 19-01-17 10:26:12 INFO (MainThread) [hassio.hassos] Detect HassOS 1.13 on host system
Jan 17 10:26:12 hassio hassos-supervisor[11341]: 19-01-17 10:26:12 INFO (SyncWorker_1) [hassio.docker.hassos_cli] Found HassOS CLI homeassistant/armhf-hassio-cli with version 8
Jan 17 10:26:12 hassio hassos-supervisor[11341]: 19-01-17 10:26:12 INFO (SyncWorker_0) [hassio.docker.interface] Attach to image homeassistant/raspberrypi3-homeassistant with version 0.85.1
Jan 17 10:26:12 hassio hassos-supervisor[11341]: Traceback (most recent call last):
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/runpy.py”, line 193, in _run_module_as_main
Jan 17 10:26:12 hassio hassos-supervisor[11341]: “main”, mod_spec)
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/runpy.py”, line 85, in _run_code
Jan 17 10:26:12 hassio hassos-supervisor[11341]: exec(code, run_globals)
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/site-packages/hassio/main.py”, line 40, in
Jan 17 10:26:12 hassio hassos-supervisor[11341]: loop.run_until_complete(coresys.core.setup())
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “uvloop/loop.pyx”, line 1446, in uvloop.loop.Loop.run_until_complete
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/site-packages/hassio/core.py”, line 41, in setup
Jan 17 10:26:12 hassio hassos-supervisor[11341]: await self.sys_addons.load()
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/site-packages/hassio/addons/init.py”, line 55, in load
Jan 17 10:26:12 hassio hassos-supervisor[11341]: self.data.reload()
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/site-packages/hassio/addons/data.py”, line 70, in reload
Jan 17 10:26:12 hassio hassos-supervisor[11341]: self._read_git_repository(repository_element)
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/site-packages/hassio/addons/data.py”, line 94, in _read_git_repository
Jan 17 10:26:12 hassio hassos-supervisor[11341]: self._read_addons_folder(path, slug)
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/site-packages/hassio/addons/data.py”, line 100, in _read_addons_folder
Jan 17 10:26:12 hassio hassos-supervisor[11341]: addon_config = read_json_file(addon)
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/site-packages/hassio/utils/json.py”, line 21, in read_json_file
Jan 17 10:26:12 hassio hassos-supervisor[11341]: return json.loads(cfile.read())
Jan 17 10:26:12 hassio hassos-supervisor[11341]: File “/usr/local/lib/python3.7/codecs.py”, line 322, in decode
Jan 17 10:26:12 hassio hassos-supervisor[11341]: (result, consumed) = self._buffer_decode(data, self.errors, final)
Jan 17 10:26:12 hassio hassos-supervisor[11341]: UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xff in position 0: invalid start byte
Jan 17 10:26:12 hassio hassos-supervisor[11341]: 19-01-17 10:26:12 ERROR (MainThread) [asyncio] Unclosed client session
Jan 17 10:26:12 hassio hassos-supervisor[11341]: client_session: <aiohttp.client.ClientSession object at 0x755cec10>
Jan 17 10:26:12 hassio hassos-supervisor[11341]: 19-01-17 10:26:12 ERROR (MainThread) [asyncio] Unclosed client session
Jan 17 10:26:12 hassio hassos-supervisor[11341]: client_session: <aiohttp.client.ClientSession object at 0x75151450>

Description of problem:

hassio hassos-supervisor ERROR (MainThread) [asyncio] Unclosed client session prevents the container from starting. How can I fix this?

Hello, did you fix it, I have the same issue.

I have the same issue. How did you fix it?

Have same issue
what was the problem?