def check(cmd, mf):
    # wx.lib.pubsub tries to be too smart w.r.t.
    # the __path__ it uses, include all of it when
    # found.
    m = mf.findNode('wx.lib.pubsub')
    if m is None or m.filename is None:
        return None

    include_packages = [
        'wx.lib.pubsub.*',
        'wx.lib.pubsub.core.*',
        'wx.lib.pubsub.core.arg1.*',
        'wx.lib.pubsub.core.kwargs.*',
        'wx.lib.pubsub.pubsub1.*',
        'wx.lib.pubsub.pubsub2.*',
        'wx.lib.pubsub.utils.*',
    ]
    return dict(
        includes=include_packages
    )
