$ ocrfeeder
/usr/lib/python2.7/dist-packages/ocrfeeder/util/lib.py:26: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk
/usr/lib/python2.7/dist-packages/ocrfeeder/studio/widgetPresenter.py:31: PyGIWarning: GooCanvas was imported without specifying a version first. Use gi.require_version('GooCanvas', '2.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk, GooCanvas, Gdk, GObject, GLib, GdkPixbuf, GtkSpell
/usr/lib/python2.7/dist-packages/ocrfeeder/studio/widgetPresenter.py:31: PyGIWarning: GtkSpell was imported without specifying a version first. Use gi.require_version('GtkSpell', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk, GooCanvas, Gdk, GObject, GLib, GdkPixbuf, GtkSpell
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/ocrfeeder/studio/studioBuilder.py", line 237, in __scanFinishedCb
    'warning')
  File "/usr/lib/python2.7/dist-packages/ocrfeeder/studio/widgetPresenter.py", line 1168, in __init__
    buttons = Gtk.ButtonsType.OK)
  File "/usr/lib/python2.7/dist-packages/gi/overrides/__init__.py", line 326, in new_init
    return super_init_func(self, **new_kwargs)
  File "/usr/lib/python2.7/dist-packages/gi/overrides/Gtk.py", line 537, in __init__
    self._init(*args, **new_kwargs)
  File "/usr/lib/python2.7/dist-packages/gi/overrides/__init__.py", line 326, in new_init
    return super_init_func(self, **new_kwargs)
  File "/usr/lib/python2.7/dist-packages/gi/overrides/__init__.py", line 326, in new_init
    return super_init_func(self, **new_kwargs)
TypeError: could not convert value for property `transient_for' from str to GtkWindow