Python's AttributeError: 'module' object has no attribute 'require_version' -


i using python3.4. trying open application supposedly uses python , can't seem working. receive following error:

traceback (most recent call last):   file "pychess", line 24, in <module>     gi.require_version("gtk", "3.0") attributeerror: 'module' object has no attribute 'require_version'


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