I have a GUI built in Glade (3.18) which is called by a Python 3 program (using PyGObject). I get a lot of warnings when running the program (Fedora 21) that say:
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
How can I fix this warning? I tried filling in the field Transient for: main_window
in Glade for all the dialog windows, but the warnings still appear.
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