From 12512df707c2d5b9fb8332c7c98132cc9af7e035 Mon Sep 17 00:00:00 2001
From: Paul Gauthier <aider@paulg.org>
Date: Sun, 4 Jun 2023 09:53:09 -0700
Subject: [PATCH] Handle the case where there is no rank flow

---
 aider/repomap.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/aider/repomap.py b/aider/repomap.py
index e7d70df82..d04174c73 100644
--- a/aider/repomap.py
+++ b/aider/repomap.py
@@ -277,7 +277,10 @@ class RepoMap:
         else:
             pers_args = dict()
 
-        ranked = nx.pagerank(G, weight="weight", **pers_args)
+        try:
+            ranked = nx.pagerank(G, weight="weight", **pers_args)
+        except ZeroDivisionError:
+            return []
 
         # top_rank = sorted([(rank, node) for (node, rank) in ranked.items()], reverse=True)
         # Print the PageRank of each node