message: substitute backslashes with parentheses (line continuation)
diff: @@ -60,7 +60,10 @@ def _interpolate_bilinear(grid,
  msg = 'Grid must be 4 dimensional. Received size: '
  raise ValueError(msg + str(grid.get_shape()))
  - batch_size, height, width, channels = \
  + batch_size, height, width, channels = (array_ops.shape(grid)[0],
  + array_ops.shape(grid)[1],
  + array_ops.shape(grid)[2],
  + array_ops.shape(grid)[3])
  array_ops.shape(grid)[0], \
  array_ops.shape(grid)[1], \
  array_ops.shape(grid)[2], \
  