Maze activity crash

gistfile1.pytb

Traceback (most recent call last):
  File "/usr/bin/sugar-activity", line 146, in <module>
    main()
  File "/usr/bin/sugar-activity", line 104, in main
    module = __import__(module_name)
  File "/home/liveuser/Activities/Maze(GTK3).activity/activity.py", line 6, in <module>
    from gi.repository import Gtk
  File "/usr/lib64/python2.7/site-packages/gi/__init__.py", line 23, in <module>
    from ._gi import _API, Repository
ImportError: could not import gobject (error was: ImportError('When using gi.repository you must not import static modules like "gobject". Please change all occurrences of "import gobject" to "from gi.repository import GObject".',))
Exited with status 1, pid 1396 data (None, <open file '<fdopen>', mode 'w' at 0x2eaadb0>, 'f560aac480ccd19304ca6ddea4a05d4a713518c6')