From 5283e48e4f9407452d4b0ce28d32c08b8eef43d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Grosdidier?= <aurelien.grosdidier@gmail.com>
Date: Sun, 19 Sep 2021 09:19:04 +0200
Subject: [PATCH] Make edge order reproducible between calls, see
 https://github.com/technologicat/pyan/issues/77

---
 pyan/writers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyan/writers.py b/pyan/writers.py
index 9531cc9..5006807 100644
--- a/pyan/writers.py
+++ b/pyan/writers.py
@@ -58,7 +58,7 @@ def write_subgraph(self, graph):
 
     def write_edges(self):
         self.start_edges()
-        for edge in self.graph.edges:
+        for edge in sorted(self.graph.edges, key=lambda x: (x.source.id, x.target.id)):
             self.write_edge(edge)
         self.finish_edges()