finalized floating object used

[EmmaJane]

I get the following output when I open olive-gtk from the command line with (and without) a .bzr folder. This exists in 0.93.0 on Ubuntu 8.04 LTS.

The program does open, but there is also this "garbage" ;) printed to the terminal window.

/usr/lib/python2.5/site-packages/olive/__init__.py:919: GtkWarning: A floating object was finalized. This means that someone
called g_object_unref() on an object that had only a floating
reference; the initial floating reference is not owned by anyone
and must be removed with g_object_ref_sink().
  self.treeview_left.append_column(tvcolumn_bookmark)
/usr/lib/python2.5/site-packages/olive/__init__.py:1044: GtkWarning: A floating object was finalized. This means that someone
called g_object_unref() on an object that had only a floating
reference; the initial floating reference is not owned by anyone
and must be removed with g_object_ref_sink().
  self.treeview_right.append_column(self._tvcolumn_filename)
/usr/lib/python2.5/site-packages/olive/__init__.py:1045: GtkWarning: A floating object was finalized. This means that someone
called g_object_unref() on an object that had only a floating
reference; the initial floating reference is not owned by anyone
and must be removed with g_object_ref_sink().
  self.treeview_right.append_column(self._tvcolumn_status)
/usr/lib/python2.5/site-packages/olive/__init__.py:1046: GtkWarning: A floating object was finalized. This means that someone
called g_object_unref() on an object that had only a floating
reference; the initial floating reference is not owned by anyone
and must be removed with g_object_ref_sink().
  self.treeview_right.append_column(self._tvcolumn_size)
/usr/lib/python2.5/site-packages/olive/__init__.py:1047: GtkWarning: A floating object was finalized. This means that someone
called g_object_unref() on an object that had only a floating
reference; the initial floating reference is not owned by anyone
and must be removed with g_object_ref_sink().
  self.treeview_right.append_column(self._tvcolumn_mtime)