l...@gnu.org (Ludovic Courtès) writes: > I don’t know if I’m missing something, but when I type ‘matplotlib’ at > the prompt, I get: > > /gnu/store/g4m8q73cq4lym3v1ag7pnk5zv49mdifs-python-matplotlib-1.4.2/lib/python3.4/site-packages/matplotlib-1.4.2-py3.4-linux-x86_64.egg/matplotlib/backends/backend_gtk3.py > in <module>() > 19 except ValueError: > 20 raise ImportError( > ---> 21 "Gtk3 backend requires the GObject introspection bindings for > Gtk 3 " > 22 "to be installed.") > 23 > > ImportError: Gtk3 backend requires the GObject introspection bindings for Gtk > 3 to be installed. > > This may well be related to <http://bugs.gnu.org/20765>: Because Guix > has incomplete dependency information, it might GC some of the things > that these eggs refer to, and so things may or may not work depending on > whether they have been GC’d.
To solve this error I think you need to set export GI_TYPELIB_PATH="$HOME/.guix-profile/lib/girepository-1.0" We should probably add a search path specification for that. For me it does display a window as expected, but it doesn't show the curve (line in this case). Thanks. Fede
