https://src.fedoraproject.org/rpms/abiword/blob/master/f/abiword-3.0.2-explicit-python.patch

Index: src/gi-overrides/Abi.py
--- src/gi-overrides/Abi.py.orig
+++ src/gi-overrides/Abi.py
@@ -1,4 +1,6 @@
 import sys
+import gi
+gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 from ..overrides import override
 from ..importer import modules
