From eeb96fd27708ded22069ef07df5bf8c3f4aaf551 Mon Sep 17 00:00:00 2001
From: tangxifan <tangxifan@gmail.com>
Date: Thu, 12 Nov 2020 19:47:50 -0700
Subject: [PATCH] [Doc] Add sphinx package to support doc writing

---
 DOC/requirements.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/DOC/requirements.txt b/DOC/requirements.txt
index 46beeb9..0d6c023 100644
--- a/DOC/requirements.txt
+++ b/DOC/requirements.txt
@@ -7,6 +7,7 @@
 
 #Handle references in bibtex format
 sphinxcontrib-bibtex
+sphinxcontrib-tikz
 
 #Work-around bug "AttributeError: 'Values' object has no attribute 'character_level_inline_markup'" with docutils 0.13.1
 #See: