if none was set.
Label.getAttributes
pango.attr_list.AttrList getAttributes()Gets the attribute list that was set on the label using [gtk.label.Label.setAttributes], if any. This function does not reflect attributes that come from the labels markup (see [gtk.label.Label.setMarkup]). If you want to get the effective attributes for the label, use pango_layout_get_attribute (gtk_label_get_layout (label)).
Returns
the attribute list, or null