def only_grey(self):
        rawval = (self.r + self.b + self.g) / 3
        n = min(range(len(_grey_vals)), key=[abs(x-rawval) for x in _grey_vals].__getitem__)
        return n+232
Return a synthetic user ID from an email address.
dataset/ETHPy150Open tomerfiliba/plumbum/plumbum/colorlib/names.py/FindNearest.only_grey--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/datastore/old_datastore_stub_util.py/SynthesizeUserId