I have just struck this bug on 18.04LTS - not when installing hplip (it has been installed & working for weeks) but when doing an "apt -y upgrade".
The problem was caused by an error in the python3 rtupdate hook hplip-data.
I am running hplip 3.18.5. Failed update transaction is attached.
I have just struck this bug on 18.04LTS - not when installing hplip (it has been installed & working for weeks) but when doing an "apt -y upgrade".
The problem was caused by an error in the python3 rtupdate hook hplip-data.
I am running hplip 3.18.5. Failed update transaction is attached.