def setup_class(cls):
res2 = Holder()
res2.n = 300
res2.prop1 = 0.70
res2.sig_level = 0.05
res2.alternative = 'two-sided'
res2.power = 0.6083127
res2.strict = False
res2.effect_size = (2*(np.arcsin(np.sqrt(0.78))-np.arcsin(np.sqrt(0.70))))
cls.res2 = res2
cls.kwds = {'nobs1': res2.n,
'alpha': res2.sig_level, 'power': res2.power,
'effect_size': res2.effect_size}
cls.kwds_extra = {'alternative': res2.alternative, 'strict': res2.strict, 'prop1': res2.prop1}
cls.cls = smp.ProportionTestPower
