Я пытаюсь установить библиотеку GTK в ubuntu 16.04 LTS, но я получаю сообщение об ошибке E: Не удалось исправить проблемы, у вас были сломанные пакеты.
nikhil@nikhil-desktop:~$ sudo apt-get install libgtk-3-dev
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:
libgtk-3-dev : Depends: libgtk-3-0 (= 3.18.9-1ubuntu3) but 3.20.8-1ubuntu0~ppa1 is to be installed
Depends: gir1.2-gtk-3.0 (= 3.18.9-1ubuntu3) but 3.20.8-1ubuntu0~ppa1 is to be installed
Depends: libgdk-pixbuf2.0-dev (>= 2.30.0) but it is not going to be installed
Depends: libpango1.0-dev (>= 1.37.3) but it is not going to be installed
Depends: libatk-bridge2.0-dev but it is not going to be installed
Depends: libepoxy-dev (>= 1.0) but it is not going to be installed
Depends: libxcursor-dev but it is not going to be installed
Depends: libegl1-mesa-dev but it is not going to be installed
Depends: libwayland-dev (>= 1.5.91) but it is not going to be installed
Depends: libmirclient-dev (>= 0.13.3) but it is not going to be installed
Depends: nettle-dev but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
Как я могу исправить это проблема, я пытаюсь установить opencv с этой библиотекой пакетов, как я могу установить его без каких-либо ошибок, я следую инструкциям из поиска PYimage.