From 666f3f54498f47f1bc1cddbd522e5f53b9aae63a Mon Sep 17 00:00:00 2001
From: ROUVREAU Vincent <vincent.rouvreau@inria.fr>
Date: Tue, 3 Nov 2020 09:27:21 +0100
Subject: Add comment in code for get_boundaries if not interested in
 filtration values

---
 src/python/gudhi/simplex_tree.pyx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/python/gudhi/simplex_tree.pyx b/src/python/gudhi/simplex_tree.pyx
index c671da56..813dc5c2 100644
--- a/src/python/gudhi/simplex_tree.pyx
+++ b/src/python/gudhi/simplex_tree.pyx
@@ -287,6 +287,8 @@ cdef class SimplexTree:
 
     def get_boundaries(self, simplex):
         """This function returns a generator with the boundaries of a given N-simplex.
+        If you do not need the filtration values, the boundary can also be obtained as
+        :code:`itertools.combinations(simplex,len(simplex)-1)`.
 
         :param simplex: The N-simplex, represented by a list of vertex.
         :type simplex: list of int.
-- 
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