def _point_block_data(self, imin, imax):
    (f, sig) = (self.fluxes[imin:(imax + 1)], self.errors[imin:(imax + 1)])
    weights = ((1.0 / (sig ** 2)) / sum((1.0 / (sig ** 2))))
    return (f, sig, weights)
def _point_block_data(self, imin, imax):
    (f, sig) = (self.fluxes[imin:(imax + 1)], self.errors[imin:(imax + 1)])
    weights = ((1.0 / (sig ** 2)) / sum((1.0 / (sig ** 2))))
    return (f, sig, weights)