message: Fix sphinx test
diff: @@ -22,7 +22,7 @@ Bottleneck distance does not use Euclidean distance, like explained in the follo
  import gudhi
  - message = "Bottleneck distance = " + '%.2f' % gudhi.bottleneck_distance([0., 0.], [0., 13.])
  + message = "Bottleneck distance = " + '%.1f' % gudhi.bottleneck_distance([[0., 0.]], [[0., 13.]])
  print(message)
  .. testoutput::
  