message: Remove empty lines in doctest output
diff: @@ -4059,11 +4059,9 @@ def draw_bounding_boxes_v2(images, boxes, colors, name=None):
  array([[[[1., 0., 0.],
  [1., 0., 0.],
  [1., 0., 0.]],
  -
  [[1., 0., 0.],
  [0., 0., 0.],
  [1., 0., 0.]],
  -
  [[1., 0., 0.],
  [1., 0., 0.],
  [1., 0., 0.]]]], dtype=float32)>
  @@ -4113,11 +4111,9 @@ def draw_bounding_boxes(images, boxes, name=None, colors=None):
  array([[[[1., 0., 0.],
  [1., 0., 0.],
  [1., 0., 0.]],
  -
  [[1., 0., 0.],
  [0., 0., 0.],
  [1., 0., 0.]],
  -
  [[1., 0., 0.],
  [1., 0., 0.],
  [1., 0., 0.]]]], dtype=float32)>
  