attrs = [('notamodule','')]

def hook(mod):

    import os, sys, marshal

    other = os.path.join(mod.__path__[0], '../pkg2/__init__.pyc')

    if os.path.exists(other):

        co = marshal.loads(open(other,'rb').read()[8:])

    else:

        co = compile(open(other[:-1],'r').read()+'\n', other, 'exec')

    mod.__init__(mod.__name__, other, co)

    mod.__path__.append(os.path.join(mod.__path__[0], 'extra'))

    return mod