def uncond_top_dist(self):
    """Get an unconditional prior distribution on the top latent."""
    prior_dist = glow_ops.top_prior(
        "unconditional", self.z_top_shape, learn_prior="single_conv")
    return prior_dist.loc, prior_dist.scale
Get an unconditional prior distribution on the top latent.
tensor2tensor/models/video/next_frame_glow.py