message: Some indentation fix
diff: @@ -109,9 +109,11 @@ Notice that if we use
  .. code-block:: python
  - rips_complex = gudhi.RipsComplex(points=[[1, 1], [7, 0], [4, 6], [9, 6], [0, 14], [2, 19], [9, 17]], max_edge_length=12.0, sparse=2)
  + rips_complex = gudhi.RipsComplex(points=[[1, 1], [7, 0], [4, 6], [9, 6], [0, 14], [2, 19], [9, 17]],
  + max_edge_length=12.0, sparse=2)
  -asking for a very sparse version (theory only gives some guarantee on the meaning of the output if `sparse<1`), 2 to 5 edges disappear, depending on the random vertex used to start the sparsification.
  +asking for a very sparse version (theory only gives some guarantee on the meaning of the output if `sparse<1`),
  +2 to 5 edges disappear, depending on the random vertex used to start the sparsification.
  Example from OFF file
  ^^^^^^^^^^^^^^^^^^^^^
  