Preparing to unpack .../gnupg-agent_2.2.4-1ubuntu1_all.deb ...
Unpacking gnupg-agent (2.2.4-1ubuntu1) over (2.1.11-6ubuntu2) ...
Selecting previously unselected package gpg-agent.
Preparing to unpack .../gpg-agent_2.2.4-1ubuntu1_amd64.deb ...
Unpacking gpg-agent (2.2.4-1ubuntu1) ...
Preparing to unpack .../dirmngr_2.2.4-1ubuntu1_amd64.deb ...
Unpacking dirmngr (2.2.4-1ubuntu1) over (2.1.11-6ubuntu2) ...
Preparing to unpack .../gnupg2_2.2.4-1ubuntu1_all.deb ...
Unpacking gnupg2 (2.2.4-1ubuntu1) over (2.1.11-6ubuntu2) ...
Preparing to unpack .../python-apt_1.6.0~rc2ubuntu2_amd64.deb ...
Unpacking python-apt (1.6.0~rc2ubuntu2) over (1.1.0~beta1ubuntu0.16.04.1) ...
Preparing to unpack .../python3-apt_1.6.0~rc2ubuntu2_amd64.deb ...
/var/lib/dpkg/info/python3-apt.prerm: 6: /var/lib/dpkg/info/python3-apt.prerm: py3clean: not found
dpkg: warning: subprocess old pre-removal script returned error exit status 127
dpkg: trying script from the new package instead ...
/var/lib/dpkg/tmp.ci/prerm: 6: /var/lib/dpkg/tmp.ci/prerm: py3clean: not found
dpkg: error processing archive /var/cache/apt/archives/python3-apt_1.6.0~rc2ubuntu2_amd64.deb (--unpack):
 subprocess new pre-removal script returned error exit status 127