message: Remove reshape of sparse tensor indices in for maybe_batch.
diff: @@ -515,8 +515,7 @@ def _store_sparse_tensors(tensor_list, enqueue_many, keep_input,
  def _sparse_values_to_keep(t, keep_input):
  """Convert a per-row `keep_input` vector to a per-value one."""
  # Get the rows of every value in the sparse Tensor.
  - row_values = array_ops.reshape(
  - t.indices, [array_ops.shape(t.indices)[0], -1])[:, 0]
  + row_values = t.indices[:, 0]
  # The value should be kept iff the row should be kept.
  return array_ops.gather(keep_input, row_values)
  if keep_input.shape.ndims == 1:
  