[pybliographer] Pyblio: make is_interactive works for pygtk and pygobject

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 537f8eb954ceae478f7fd81f99ef351e25dd21ea
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Fri Mar 30 00:00:16 2018 -0300

    Pyblio: make is_interactive works for pygtk and pygobject

 Pyblio/Resource.py |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/Pyblio/Resource.py b/Pyblio/Resource.py
index bd6d27e..81d03cd 100644
--- a/Pyblio/Resource.py
+++ b/Pyblio/Resource.py
@@ -44,7 +44,9 @@ CHOOSER_ACTIONS = ('enter/edit', 'select', 'select-directory',
 
 
 def is_interactive ():
-    return sys.modules.has_key ('gtk')
+    r = sys.modules.has_key('gtk') or \
+        sys.modules.has_key('gi.repository.Gtk')
+    return r
 
 
 class ResourceDirector (object):