message: Moved the forward compatibility date for batch gather.
diff: @@ -3952,7 +3952,7 @@ def gather(params,
  A `Tensor`. Has the same type as `params`.
  """
  del validate_indices
  - if compat.forward_compatible(2019, 8, 10):
  + if compat.forward_compatible(2019, 9, 10):
  if axis is None:
  axis = batch_dims
  if axis != 0:
  