david@david-K50IJ:~$ update-manager --devel-release
Traceback (most recent call last):
File "/usr/bin/update-manager", line 37, in <module>
from UpdateManager.UpdateManager import UpdateManager
ImportError: No module named UpdateManager.UpdateManager
david@david- K50IJ:~ $ update-manager --devel-release update- manager" , line 37, in <module> UpdateManager import UpdateManager UpdateManager
Traceback (most recent call last):
File "/usr/bin/
from UpdateManager.
ImportError: No module named UpdateManager.