Solved
delete all .pyc files in the following folders:
/usr/share/nautilus-python/extensions/
/opt/extras.ubuntu.com/pushbullet-commons/share/pushbullet-commons/
/opt/extras.ubuntu.com/pushbullet-commons/share/pushbullet-commons/__pycache__/
/opt/extras.ubuntu.com/pushbullet-indicator/share/pushbullet-indicator/__pycache__/
Solved nautilus- python/ extensions/ ubuntu. com/pushbullet- commons/ share/pushbulle t-commons/ ubuntu. com/pushbullet- commons/ share/pushbulle t-commons/ __pycache_ _/ ubuntu. com/pushbullet- indicator/ share/pushbulle t-indicator/ __pycache_ _/
delete all .pyc files in the following folders:
/usr/share/
/opt/extras.
/opt/extras.
/opt/extras.