installing scudcloud 1.5 with error message "Depends: python3-pyqt5 but it is not going to be installed"

gistfile1.txt

# See for more context: https://github.com/raelgc/scudcloud/issues/550 

rsyring@loftex:~$ sudo apt-get install scudcloud
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:
 scudcloud : Depends: python3-pyqt5 but it is not going to be installed
             Depends: python3-pyqt5.qtsvg but it is not going to be installed
             Depends: python3-pyqt5.qtwebkit but it is not going to be installed
E: Unable to correct problems, you have held broken packages.


rsyring@loftex:~$ sudo apt-get install python3-pyqt5
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:
 python3-pyqt5 : Depends: libqt5designer5 (>= 5.0.2) but it is not going to be installed
                 Depends: libqt5gui5 (>= 5.2.0) but it is not going to be installed
                 Depends: libqt5help5 (>= 5.0.2) but it is not going to be installed
                 Depends: libqt5printsupport5 (>= 5.2.0) but it is not going to be installed
                 Depends: libqt5widgets5 (>= 5.2.0) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.


rsyring@loftex:~$ sudo apt-get install libqt5help5
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:
 libqt5help5 : Depends: libqt5gui5 (>= 5.0.2) but it is not going to be installed or
                        libqt5gui5-gles (>= 5.0.2) but it is not installable
               Depends: libqt5widgets5 (>= 5.2.0) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.


rsyring@loftex:~$ sudo apt-get install libqt5gui5
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libgles2-mesa-lts-xenial
The following NEW packages will be installed:
  libgles2-mesa-lts-xenial libqt5gui5
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 1,868 kB of archives.
After this operation, 7,441 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main libgles2-mesa-lts-xenial amd64 11.2.0-1ubuntu2~trusty1 [11.8 kB]
Get:2 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main libqt5gui5 amd64 5.2.1+dfsg-1ubuntu14.3 [1,857 kB]
Fetched 1,868 kB in 1s (1,260 kB/s)       
Selecting previously unselected package libgles2-mesa-lts-xenial:amd64.
(Reading database ... 259528 files and directories currently installed.)
Preparing to unpack .../libgles2-mesa-lts-xenial_11.2.0-1ubuntu2~trusty1_amd64.deb ...
Unpacking libgles2-mesa-lts-xenial:amd64 (11.2.0-1ubuntu2~trusty1) ...
Selecting previously unselected package libqt5gui5:amd64.
Preparing to unpack .../libqt5gui5_5.2.1+dfsg-1ubuntu14.3_amd64.deb ...
Unpacking libqt5gui5:amd64 (5.2.1+dfsg-1ubuntu14.3) ...
Setting up libgles2-mesa-lts-xenial:amd64 (11.2.0-1ubuntu2~trusty1) ...
Setting up libqt5gui5:amd64 (5.2.1+dfsg-1ubuntu14.3) ...
Processing triggers for libc-bin (2.19-0ubuntu6.11) ...
rsyring@loftex:~$ sudo apt-get install libqt5help5
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libqt5widgets5
The following NEW packages will be installed:
  libqt5help5 libqt5widgets5
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 2,397 kB of archives.
After this operation, 7,889 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main libqt5widgets5 amd64 5.2.1+dfsg-1ubuntu14.3 [2,216 kB]
Get:2 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty/main libqt5help5 amd64 5.2.1-8build1 [181 kB]
Fetched 2,397 kB in 1s (1,830 kB/s)
Selecting previously unselected package libqt5widgets5:amd64.
(Reading database ... 259567 files and directories currently installed.)
Preparing to unpack .../libqt5widgets5_5.2.1+dfsg-1ubuntu14.3_amd64.deb ...
Unpacking libqt5widgets5:amd64 (5.2.1+dfsg-1ubuntu14.3) ...
Selecting previously unselected package libqt5help5:amd64.
Preparing to unpack .../libqt5help5_5.2.1-8build1_amd64.deb ...
Unpacking libqt5help5:amd64 (5.2.1-8build1) ...
Setting up libqt5widgets5:amd64 (5.2.1+dfsg-1ubuntu14.3) ...
Setting up libqt5help5:amd64 (5.2.1-8build1) ...
Processing triggers for libc-bin (2.19-0ubuntu6.11) ...


rsyring@loftex:~$ sudo apt-get install python3-pyqt5
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libqt5designer5 libqt5printsupport5 python3-sip
Suggested packages:
  python3-pyqt5-dbg
The following NEW packages will be installed:
  libqt5designer5 libqt5printsupport5 python3-pyqt5 python3-sip
0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
Need to get 5,097 kB of archives.
After this operation, 20.9 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty/main libqt5designer5 amd64 5.2.1-8build1 [2,727 kB]
Get:2 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main libqt5printsupport5 amd64 5.2.1+dfsg-1ubuntu14.3 [152 kB]
Get:3 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty/main python3-sip amd64 4.15.5-1build1 [69.3 kB]
Get:4 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main python3-pyqt5 amd64 5.2.1+dfsg-1ubuntu2 [2,149 kB]
Fetched 5,097 kB in 2s (2,393 kB/s)        
Selecting previously unselected package libqt5designer5:amd64.
(Reading database ... 259583 files and directories currently installed.)
Preparing to unpack .../libqt5designer5_5.2.1-8build1_amd64.deb ...
Unpacking libqt5designer5:amd64 (5.2.1-8build1) ...
Selecting previously unselected package libqt5printsupport5:amd64.
Preparing to unpack .../libqt5printsupport5_5.2.1+dfsg-1ubuntu14.3_amd64.deb ...
Unpacking libqt5printsupport5:amd64 (5.2.1+dfsg-1ubuntu14.3) ...
Selecting previously unselected package python3-sip.
Preparing to unpack .../python3-sip_4.15.5-1build1_amd64.deb ...
Unpacking python3-sip (4.15.5-1build1) ...
Selecting previously unselected package python3-pyqt5.
Preparing to unpack .../python3-pyqt5_5.2.1+dfsg-1ubuntu2_amd64.deb ...
Unpacking python3-pyqt5 (5.2.1+dfsg-1ubuntu2) ...
Setting up libqt5designer5:amd64 (5.2.1-8build1) ...
Setting up libqt5printsupport5:amd64 (5.2.1+dfsg-1ubuntu14.3) ...
Setting up python3-sip (4.15.5-1build1) ...
Setting up python3-pyqt5 (5.2.1+dfsg-1ubuntu2) ...
Processing triggers for libc-bin (2.19-0ubuntu6.11) ...


rsyring@loftex:~$ sudo apt-get install scudcloud 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  fonts-lato libdbusmenu-qt2 libqt5opengl5 libqt5quick5 libqt5svg5
  libqt5webkit5 libqtwebkit-qupzillaplugins python3-notify2
  python3-pyqt5.qtsvg python3-pyqt5.qtwebkit sni-qt
The following NEW packages will be installed:
  fonts-lato libdbusmenu-qt2 libqt5opengl5 libqt5quick5 libqt5svg5
  libqt5webkit5 libqtwebkit-qupzillaplugins python3-notify2
  python3-pyqt5.qtsvg python3-pyqt5.qtwebkit scudcloud sni-qt
0 upgraded, 12 newly installed, 0 to remove and 0 not upgraded.
Need to get 12.4 MB of archives.
After this operation, 54.0 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty/main libdbusmenu-qt2 amd64 0.9.3+14.04.20140314-0ubuntu1 [72.2 kB]
Get:2 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main libqt5opengl5 amd64 5.2.1+dfsg-1ubuntu14.3 [133 kB]
Get:3 http://ppa.launchpad.net/rael-gc/scudcloud/ubuntu/ trusty/main fonts-lato all 2.0-1 [2,701 kB]
Get:4 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main libqt5quick5 amd64 5.2.1-3ubuntu15.1 [981 kB]
Get:5 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty/main libqt5svg5 amd64 5.2.1-1 [117 kB]
Get:6 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty/main libqt5webkit5 amd64 5.1.1-1ubuntu8 [8,115 kB]
Get:7 http://ppa.launchpad.net/rael-gc/scudcloud/ubuntu/ trusty/main libqtwebkit-qupzillaplugins amd64 1.0-1 [29.4 kB]
Get:8 http://ppa.launchpad.net/rael-gc/scudcloud/ubuntu/ trusty/main scudcloud all 1.50-1 [43.9 kB]
Get:9 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty/universe python3-notify2 all 0.3-2 [10.9 kB]
Get:10 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main python3-pyqt5.qtsvg amd64 5.2.1+dfsg-1ubuntu2 [25.1 kB]
Get:11 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty-updates/main python3-pyqt5.qtwebkit amd64 5.2.1+dfsg-1ubuntu2 [101 kB]
Get:12 http://ubuntu.mirrors.tds.net/pub/ubuntu/ trusty/main sni-qt amd64 0.2.6-0ubuntu1 [56.1 kB]
Fetched 12.4 MB in 4s (2,520 kB/s)  
Selecting previously unselected package fonts-lato.
(Reading database ... 259659 files and directories currently installed.)
Preparing to unpack .../fonts-lato_2.0-1_all.deb ...
Unpacking fonts-lato (2.0-1) ...
Selecting previously unselected package libdbusmenu-qt2:amd64.
Preparing to unpack .../libdbusmenu-qt2_0.9.3+14.04.20140314-0ubuntu1_amd64.deb ...
Unpacking libdbusmenu-qt2:amd64 (0.9.3+14.04.20140314-0ubuntu1) ...
Selecting previously unselected package libqt5opengl5:amd64.
Preparing to unpack .../libqt5opengl5_5.2.1+dfsg-1ubuntu14.3_amd64.deb ...
Unpacking libqt5opengl5:amd64 (5.2.1+dfsg-1ubuntu14.3) ...
Selecting previously unselected package libqt5quick5:amd64.
Preparing to unpack .../libqt5quick5_5.2.1-3ubuntu15.1_amd64.deb ...
Unpacking libqt5quick5:amd64 (5.2.1-3ubuntu15.1) ...
Selecting previously unselected package libqt5svg5:amd64.
Preparing to unpack .../libqt5svg5_5.2.1-1_amd64.deb ...
Unpacking libqt5svg5:amd64 (5.2.1-1) ...
Selecting previously unselected package libqt5webkit5:amd64.
Preparing to unpack .../libqt5webkit5_5.1.1-1ubuntu8_amd64.deb ...
Unpacking libqt5webkit5:amd64 (5.1.1-1ubuntu8) ...
Selecting previously unselected package libqtwebkit-qupzillaplugins.
Preparing to unpack .../libqtwebkit-qupzillaplugins_1.0-1_amd64.deb ...
Unpacking libqtwebkit-qupzillaplugins (1.0-1) ...
Selecting previously unselected package python3-notify2.
Preparing to unpack .../python3-notify2_0.3-2_all.deb ...
Unpacking python3-notify2 (0.3-2) ...
Selecting previously unselected package python3-pyqt5.qtsvg.
Preparing to unpack .../python3-pyqt5.qtsvg_5.2.1+dfsg-1ubuntu2_amd64.deb ...
Unpacking python3-pyqt5.qtsvg (5.2.1+dfsg-1ubuntu2) ...
Selecting previously unselected package python3-pyqt5.qtwebkit.
Preparing to unpack .../python3-pyqt5.qtwebkit_5.2.1+dfsg-1ubuntu2_amd64.deb ...
Unpacking python3-pyqt5.qtwebkit (5.2.1+dfsg-1ubuntu2) ...
Selecting previously unselected package scudcloud.
Preparing to unpack .../scudcloud_1.50-1_all.deb ...
Unpacking scudcloud (1.50-1) ...
Selecting previously unselected package sni-qt:amd64.
Preparing to unpack .../sni-qt_0.2.6-0ubuntu1_amd64.deb ...
Unpacking sni-qt:amd64 (0.2.6-0ubuntu1) ...
Processing triggers for fontconfig (2.11.0-0ubuntu4.2) ...
Processing triggers for hicolor-icon-theme (0.13-1) ...
Processing triggers for mime-support (3.54ubuntu1.1) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu1) ...
Processing triggers for gnome-menus (3.10.1-0ubuntu2) ...
Setting up fonts-lato (2.0-1) ...
Setting up libdbusmenu-qt2:amd64 (0.9.3+14.04.20140314-0ubuntu1) ...
Setting up libqt5opengl5:amd64 (5.2.1+dfsg-1ubuntu14.3) ...
Setting up libqt5quick5:amd64 (5.2.1-3ubuntu15.1) ...
Setting up libqt5svg5:amd64 (5.2.1-1) ...
Setting up libqt5webkit5:amd64 (5.1.1-1ubuntu8) ...
Setting up libqtwebkit-qupzillaplugins (1.0-1) ...
Setting up python3-notify2 (0.3-2) ...
Setting up python3-pyqt5.qtsvg (5.2.1+dfsg-1ubuntu2) ...
Setting up python3-pyqt5.qtwebkit (5.2.1+dfsg-1ubuntu2) ...
Setting up scudcloud (1.50-1) ...
Setting up sni-qt:amd64 (0.2.6-0ubuntu1) ...
Processing triggers for libc-bin (2.19-0ubuntu6.11) ...