fix ci

Author: mattrose

.github/workflows/python.yml

@@ -34,7 +34,7 @@ jobs:
       run: >
         sudo apt-get install -y --no-install-recommends
         gobject-introspection gir1.2-glib-2.0 gir1.2-keybinder-3.0 gir1.2-gtk-3.0 gir1.2-vte-2.91 gir1.2-notify-0.7
-        python3-pytest python3-cairo python3-gi-cairo
+        python3-pytest python3-cairo python3-gi-cairo python3-psutil
         gettext intltool
         libdbus-glib-1-dev libgirepository1.0-dev libcairo-dev
         xvfb