message: Update metrics_test.py
  Inputs changed for the method "test_unweighted" of class "MeanIoU"
diff: @@ -1141,8 +1141,8 @@ class MeanIoUTest(test.TestCase):
  self.assertEqual(m_obj2.num_classes, 2)
  def test_unweighted(self):
  - y_pred = constant_op.constant([0, 1, 0, 1], dtype=dtypes.float32)
  - y_true = constant_op.constant([0, 0, 1, 1])
  + y_pred = [0, 1, 0, 1]
  + y_true = [0, 0, 1, 1]
  m_obj = metrics.MeanIoU(num_classes=2)
  self.evaluate(variables.variables_initializer(m_obj.variables))
  