APP = ['main.py']
DATA_FILES = []
OPTIONS = {'iconfile': 'icon.icns', 'plist': {'CFBundleShortVersionString':
    '0.1.0'}}
setup(app=APP, name='MacApp', data_files=DATA_FILES, options={'py2app':
    OPTIONS}, setup_requires=['py2app'])
Как указать значок py2app?