sudo apt install python3-pip python3-setuptools python3-dateutil python3-oauth2client python3-googleapi sudo pip3 install --upgrade python-dateutil google-api-python-client oauth2client
# 아래 명령으로 목록 확인 후 지정 python3 ~/.local/share/cinnamon/desklets/googleCalendar@javahelps.com/py/google_calendar.py --list-calendars