447
466
domain = [('x', 'in', ['y', 'z']), ('a.v', '=', 'e'), '|', '|', ('a', '=', 'b'), '!', ('c', '>', 'd'), ('e', '!=', 'f'), ('g', '=', 'h')]
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467
norm_domain = ['&', '&', '&'] + domain
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assert norm_domain == expression.normalize_domain(domain), "Non-normalized domains should be properly normalized"
476
[('name', 'in', ['Belgium', 'Care Bears'])],
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if __name__ == '__main__':