From 3f8ae7cd1e031c3c8b801d891521f8954b6adac7 Mon Sep 17 00:00:00 2001
From: Gard Spreemann <gard.spreemann@epfl.ch>
Date: Tue, 19 Apr 2016 12:10:22 +0200
Subject: Typo.

---
 phstuff/simplicial.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phstuff/simplicial.py b/phstuff/simplicial.py
index 74b520f..6da6163 100644
--- a/phstuff/simplicial.py
+++ b/phstuff/simplicial.py
@@ -145,7 +145,7 @@ class Complex:
         return self.__count
 
     def num_vertices(self):
-        return len(self.__root.keys())
+        return len(self.__root.children)
 
 # Very naive temporary VR implementations.
 def naive_vr_tmp(graph, top_dim):
-- 
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