Preparing to unpack .../chromium-browser-l10n_57.0.2987.98-0ubuntu0.16.04.1276_all.deb ...
Unpacking chromium-browser-l10n (57.0.2987.98-0ubuntu0.16.04.1276) over (56.0.2924.76-0ubuntu0.16.04.1268) ...
Preparing to unpack .../chromium-browser_57.0.2987.98-0ubuntu0.16.04.1276_amd64.deb ...
Unpacking chromium-browser (57.0.2987.98-0ubuntu0.16.04.1276) over (56.0.2924.76-0ubuntu0.16.04.1268) ...
Preparing to unpack .../chromium-codecs-ffmpeg-extra_57.0.2987.98-0ubuntu0.16.04.1276_amd64.deb ...
Unpacking chromium-codecs-ffmpeg-extra (57.0.2987.98-0ubuntu0.16.04.1276) over (56.0.2924.76-0ubuntu0.16.04.1268) ...
Preparing to unpack .../update-notifier_3.168.4_amd64.deb ...
Unpacking update-notifier (3.168.4) over (3.168.3) ...
Preparing to unpack .../update-manager_1%3a16.04.6_all.deb ...
Unpacking update-manager (1:16.04.6) over (1:16.04.5) ...
Preparing to unpack .../update-manager-core_1%3a16.04.6_all.deb ...
Unpacking update-manager-core (1:16.04.6) over (1:16.04.5) ...
Preparing to unpack .../python3-update-manager_1%3a16.04.6_all.deb ...
Unpacking python3-update-manager (1:16.04.6) over (1:16.04.5) ...
Preparing to unpack .../update-notifier-common_3.168.4_all.deb ...
Unpacking update-notifier-common (3.168.4) over (3.168.3) ...
Preparing to unpack .../mysql-common_5.7.17-0ubuntu0.16.04.2_all.deb ...
Unpacking mysql-common (5.7.17-0ubuntu0.16.04.2) over (5.7.17-0ubuntu0.16.04.1) ...
Preparing to unpack .../libmysqlclient20_5.7.17-0ubuntu0.16.04.2_i386.deb ...
De-configuring libmysqlclient20:amd64 (5.7.17-0ubuntu0.16.04.1) ...
Unpacking libmysqlclient20:i386 (5.7.17-0ubuntu0.16.04.2) over (5.7.17-0ubuntu0.16.04.1) ...
Preparing to unpack .../libmysqlclient20_5.7.17-0ubuntu0.16.04.2_amd64.deb ...
Unpacking libmysqlclient20:amd64 (5.7.17-0ubuntu0.16.04.2) over (5.7.17-0ubuntu0.16.04.1) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu5.1) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for libglib2.0-0:i386 (2.48.2-0ubuntu1) ...
Processing triggers for libglib2.0-0:amd64 (2.48.2-0ubuntu1) ...
Processing triggers for gconf2 (3.2.6-3ubuntu6) ...
Processing triggers for libc-bin (2.23-0ubuntu7) ...
Setting up chromium-codecs-ffmpeg-extra (57.0.2987.98-0ubuntu0.16.04.1276) ...
Setting up chromium-browser (57.0.2987.98-0ubuntu0.16.04.1276) ...
Setting up chromium-browser-l10n (57.0.2987.98-0ubuntu0.16.04.1276) ...
Setting up python3-update-manager (1:16.04.6) ...
Setting up update-manager-core (1:16.04.6) ...
Setting up update-notifier-common (3.168.4) ...
Traceback (most recent call last):
  File "/usr/lib/update-notifier/package-data-downloader", line 24, in <module>
    import debian.deb822
  File "/usr/lib/python3/dist-packages/debian/deb822.py", line 47, in <module>
    import six
ImportError: No module named 'six'
dpkg: error processing package update-notifier-common (--configure):
 subprocess installed post-installation script returned error exit status 1