message: Update src/python/gudhi/barycenter.py
  correction of typo
diff: @@ -114,7 +114,7 @@ def lagrangian_barycenter(pdiagset, init=None, verbose=False):
  """
  Compute the estimated barycenter computed with the algorithm provided
  by Turner et al (2014).
  - It is a local minima of the corresponding Frechet function.
  + It is a local minimum of the corresponding Frechet function.
  :param pdiagset: a list of size N containing numpy.array of shape (n x 2)
  (n can variate), encoding a set of
  persistence diagrams with only finite coordinates.
  