$ sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 katepart : Depends: libqtcore4 (>= 4:4.7.0~beta1) but it is not installable
 kde-runtime : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 kde-style-qtcurve-qt4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 kdelibs-bin : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 kdelibs5-plugins : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 kdoctools : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 kopete : Depends: libqtcore4 (>= 4:4.8.7) but it is not installable
 libattica0.4 : Depends: libqtcore4 (>= 4:4.7.0~beta1) but it is not installable
 libdbusmenu-qt2 : Depends: libqtcore4 (>= 4:4.7.0~beta1) but it is not installable
 libkabc4 : Depends: libqtcore4 (>= 4:4.8) but it is not installable
 libkactivities6 : Depends: libqtcore4 (>= 4:4.7.0~beta1) but it is not installable
 libkatepartinterfaces4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkcmutils4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkde3support4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkdeclarative5 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkdecore5 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkdesu5 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkdeui5 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkdewebkit5 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkdnssd4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkemoticons4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkfile4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkhtml5 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkio5 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkjsapi4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkjsembed4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkldap4 : Depends: libqtcore4 (>= 4:4.8) but it is not installable
 libkmediaplayer4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkmime4 : Depends: libqtcore4 (>= 4:4.8) but it is not installable
 libknewstuff2-4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libknewstuff3-4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libknotifyconfig4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkntlm4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkopete4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkparts4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkpimidentities4 : Depends: libqtcore4 (>= 4:4.8) but it is not installable
 libkpimtextedit4 : Depends: libqtcore4 (>= 4:4.8) but it is not installable
 libkpimutils4 : Depends: libqtcore4 (>= 4:4.8) but it is not installable
 libkpty4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libkresources4 : Depends: libqtcore4 (>= 4:4.8) but it is not installable
 libkrosscore4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libktexteditor4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libntrack-qt4-1 : Depends: libqtcore4 (>= 4:4.5.3) but it is not installable
 libpam-modules : PreDepends: libpam-modules-bin (= 1.3.1-5) but 1.4.0-9 is installed
 libphonon4 : Depends: libqtcore4 (>= 4:4.8.1) but it is not installable
 libplasma3 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libpolkit-qt-1-1 : Depends: libqtcore4 (>= 4:4.7.0~beta1) but it is not installable
 libqca2 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libqca2-plugins : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libqimageblitz4 : Depends: libqtcore4 (>= 4:4.6.1) but it is not installable
 libqjson0 : Depends: libqtcore4 (>= 4:4.7.0~beta1) but it is not installable
 libqt4-declarative : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-designer : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-network : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-opengl : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-qt3support : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-script : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-sql : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-sql-mysql : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-sql-sqlite : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-svg : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-xml : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqt4-xmlpatterns : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqtdbus4 : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqtgui4 : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 libqtwebkit4 : Depends: libqtcore4 (>= 4:4.8.7) but it is not installable
 libsolid4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 libthreadweaver4 : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 phonon-backend-gstreamer : Depends: libqtcore4 (>= 4:4.8.1) but it is not installable
 plasma-scriptengine-javascript : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
 python-pip : Depends: python:any (< 2.8)
              Depends: python:any (>= 2.7~)
 qdbus : Depends: libqtcore4 (= 4:4.8.7+dfsg-18+deb10u1) but it is not installable
 qt-at-spi : Depends: libqtcore4 (>= 4:4.8~) but it is not installable
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).