using Gtk
openpath = open_dialog_native(
    "Select a datasheet")
#     GtkNullContainer(),
#     ("*.csv", GtkFileFilter("*.csv", name="Comma-separated values"))
# )

# savepath = save_dialog_native(
#     "Save your results",
#     GtkNullContainer(),
#     (GtkFileFilter("*.txt", name="Results file"),
#     "*.txt")
# )