On 2017-05-25, Gary Roach <gary719_li...@verizon.net> wrote:
> Hi all;
>
> A while ago, while updating my Debian testing system, I got the 
> following error:
>
>
> Do you want to continue? [Y/n] Setting up apt-listchanges (3.10) ...
>
> Traceback (most recent call last):
>
>    File "/tmp/tmp.kqhvU8IqOr.aptlc/debconf-helper.py", line 6, in <module>
>
>      import debconf
>
> ImportError: No module named 'debconf'
>
> dpkg: error processing package apt-listchanges (--configure):
>
>   subprocess installed post-installation script returned error exit status 1
>
> Errors were encountered while processing:
>
>   apt-listchanges
>
>
>
> This error has persisted ever since. I am starting to have several 
> strange things happen to my system - unable to move windows with mounse 
> and unable to cut an paste from the monitor - that may or may not be 
> caused by this error. I am not sure what the effect of the error would 
> be nor do I know how to fix it. I found a bug report that  was similar 
> but none of the suggested fixes fixed this one.
>
> Note: There is no  tmp.kqhvU8IqOr.aptlc/debconf-helper.py file on my 
> system. Debconf is definitely installed.
>
> Any help will be sincerely appreciated.
>
> Gary R.

It looks like there is a problem with your debconf or python
installations, or possibly both. Please post the output of the following
commands:

        python --version
        python -m debconf
        dpkg -V debconf

-- 

Liam

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