I am trying to perform backup on Ubuntu 16.04 LTS, i get the following error.
How to rectify this issue ?
P.S. I have referred to this link also. Duplicity error pop-up on Ubuntu 16.04
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Maybe you need additional packages that are missing. I encountered the same issue once I reinstalled the Python.
$ pip install lockfile duplicity PyGObject
Make sure proper(which relates to Python that duplicity uses) pip is used if you use multiple versions of Python.
After you have installed the packages you might be able to ensure duplicity is running properly.
$ duplicity --version duplicity 0.7.14