message: Fix default mode warning in io.resize_image
diff: @@ -323,7 +323,7 @@ def resize_image(im, new_dims, interp_order=1):
  # skimage is fast but only understands {1,3} channel images
  # in [0, 1].
  im_std = (im - im_min) / (im_max - im_min)
  - resized_std = resize(im_std, new_dims, order=interp_order)
  + resized_std = resize(im_std, new_dims, order=interp_order, mode='constant')
  resized_im = resized_std * (im_max - im_min) + im_min
  else:
  # the image is a constant -- avoid divide by 0
  