def add(self):
        """
        Add another population member.
        """
        self.points = np.append(self.points, [10. * np.random.rand(self.fi.dim) - 5.], axis = 0)
        self.values = np.append(self.values, [1e10], axis = 0)
        i = 1 - len(self.points)
        self.minimizers.append(self._minimizer_make(i))
        self.iters = np.append(self.iters, [0], axis = 0)

        #y = self.fi.f.evalfun(self.points[i]) # This is just for the debug print
        #print("#%d new member %s=%s" % (i, self.points[i], y))
        #time.sleep(1)
        return i
dataset/ETHPy150Open pasky/cocopf/population.py/Population.add/swapped operands of `-`