fix error

Alignment-and-Uniformity.py

@@ -93,7 +93,7 @@ class AlignmentandUniformity(evaluate.Metric):
         
         nn_x_unif_loss_v = nonneg_uniform_loss(xs, t=self.unif_t)
         nn_y_unif_loss_v = nonneg_uniform_loss(ys, t=self.unif_t)
-        nn_unif_loss = (nonneg_uniform_loss + nonneg_uniform_loss) / 2
+        nn_unif_loss = (nn_x_unif_loss_v + nn_y_unif_loss_v) / 2
                 
         return {
             "align_loss": float(align_loss_val),