Install libpyside1.2 by entering the following commands in the terminal:
sudo apt update sudo apt install libpyside1.2
Description:
Python bindings for Qt 4 (base files)
Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality. . This package contains base files used by all modules.
Homepage: http://www.pyside.org/
Version: 1.2.2+source1-3
Section: universe/python