[mythtv-users] Trying to update, but have dependency problems

[Bob Sully]

Hi all -
My combined BE/FE machine is running v31 on Ubuntu 18.04.
While getting ready to update to 20.04, I ran into the following:

Apparently Myth hasn't been able to update for a little while because of
dependency issues.

python3-future
python3-requests-cache
libminizip1
minizip

These no longer exist in Ubuntu's repositories.  Can someone tell me where
I can find them?

[rcs at vader: ~]$ sudo apt list --upgradeable
Listing... Done
libmyth-python/bionic 2:31.0+fixes.202010122044.eb3c84de5f~ubuntu18.04.1
all [upgradable from: 2:30.0+fixes.202008021328.d1d647a~ubuntu18.04.1]
mythgame/bionic 2:31.0+fixes.202010122044.eb3c84de5f~ubuntu18.04.1 amd64
[upgradable from: 2:30.0+fixes.202002121942.ab250d6~ubuntu18.04.1]
mythtv-common/bionic 2:31.0+fixes.202010122044.eb3c84de5f~ubuntu18.04.1
amd64 [upgradable from: 2:30.0+fixes.202008021328.d1d647a~ubuntu18.04.1]
mythweb/bionic 2:31.0+fixes.202010122044.eb3c84de5f~ubuntu18.04.1 all
[upgradable from: 2:30.0+fixes.202008021328.d1d647a~ubuntu18.04.1]

[rcs at vader:~]$ sudo apt install libmyth-python mythgame mythtv-common
mythweb
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libmyth-python : Depends: python3-requests-cache but it is not installable
                  Depends: python3-future but it is not installable
 mythgame : Depends: libminizip1 (>= 1.1) but it is not installable
            Depends: minizip but it is not installable
 mythtv-common : Depends: python3-requests-cache but it is not installable
                 Depends: python3-future but it is not installable
E: Unable to correct problems, you have held broken packages.

Python-future and python-request-cache (per apt-cache, apparently these are
supposed to cover versions 2 and 3) are already installed, but apparently
don't satisfy the dependencies.

Thanks!
Bob
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