From 515f3cb9c4d244e5a6fa1bb43948e8f385bdfe5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Labb=C3=A9?= <slabqc@gmail.com>
Date: Thu, 24 Oct 2024 11:35:17 +0200
Subject: [PATCH] default value for format should be None in tikz method of
 graph

---
 src/sage/graphs/generic_graph.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sage/graphs/generic_graph.py b/src/sage/graphs/generic_graph.py
index 862c4ee15a0..cb22e9e0d9c 100644
--- a/src/sage/graphs/generic_graph.py
+++ b/src/sage/graphs/generic_graph.py
@@ -939,7 +939,7 @@ def _latex_(self):
 
         return self.latex_options().latex()
 
-    def tikz(self, format='dot2tex', edge_labels=None,
+    def tikz(self, format=None, edge_labels=None,
             color_by_label=False, prog='dot', rankdir='down',
             standalone_config=None, usepackage=None,
             usetikzlibrary=None, macros=None,