message: Warn for initialize_filtration
diff: @@ -101,6 +101,8 @@ cdef class SimplexTree:
  .. deprecated:: 3.2.0
  """
  + import warnings
  + warnings.warn("Since Gudhi 3.2, calling SimplexTree.initialize_filtration is unnecessary.", DeprecationWarning)
  self.get_ptr().initialize_filtration()
  def num_vertices(self):
  