0.88.2 Error setting up platform google_maps

Hi everybody
Since yesterday, after the last upgrade I am getting the following problem. How can it be fixed?

Log Details (ERROR)
Sun Mar 03 2019 11:29:27 GMT+0100 (Ora standard dell’Europa centrale)
Error setting up platform google_maps
Traceback (most recent call last):
File “/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/device_tracker/init.py”, line 184, in async_setup_platform
disc_info)
File “/usr/lib/python3.5/asyncio/futures.py”, line 380, in iter
yield self # This tells Task to wait for completion.
File “/usr/lib/python3.5/asyncio/tasks.py”, line 304, in _wakeup
future.result()
File “/usr/lib/python3.5/asyncio/futures.py”, line 293, in result
raise self._exception
File “/usr/lib/python3.5/concurrent/futures/thread.py”, line 55, in run
result = self.fn(*self.args, **self.kwargs)
File “/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/device_tracker/google_maps.py”, line 46, in setup_scanner
scanner = GoogleMapsScanner(hass, config, see)
File “/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/device_tracker/google_maps.py”, line 66, in init
self._update_info()
File “/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/device_tracker/google_maps.py”, line 78, in _update_info
for person in self.service.get_all_people():
File “/srv/homeassistant/lib/python3.5/site-packages/locationsharinglib/locationsharinglib.py”, line 439, in get_all_people
people = self.get_shared_people() + [self.get_authenticated_person()]
File “/srv/homeassistant/lib/python3.5/site-packages/locationsharinglib/locationsharinglib.py”, line 400, in get_shared_people
for info in output[0]:
TypeError: ‘NoneType’ object is not iterable

Thank you for your help!