Binary package “python-gtk2-dbg” in ubuntu bionic

Python bindings for the GTK+ widget set (debug extension)

 This archive contains modules that allow you to use GTK+ in Python
 programs.
 .
 This package contains the extension built for the Python debug interpreter.
 .
 This package is deprecated, you should migrate to using
 gobject-introspection (GIR) based python bindings instead (PyGObject).
 https://wiki.gnome.org/Projects/PyGObject/IntrospectionPorting