From a160e6bf2072fe65dab0e9d4eb1f3c61b1ae2a9b Mon Sep 17 00:00:00 2001
From: Nick Sweeting <git@sweeting.me>
Date: Wed, 29 Jul 2020 23:54:41 -0400
Subject: [PATCH] fix None canon output to be emptystring

---
 archivebox/core/admin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/archivebox/core/admin.py b/archivebox/core/admin.py
index e6646c7b..4578cc11 100644
--- a/archivebox/core/admin.py
+++ b/archivebox/core/admin.py
@@ -97,7 +97,7 @@ class SnapshotAdmin(admin.ModelAdmin):
         canon = link.canonical_outputs()
         out_dir = Path(link.link_dir)
 
-        link_tuple = lambda link, method: (link.archive_path, canon[method], canon[method] and (out_dir / canon[method]).exists())
+        link_tuple = lambda link, method: (link.archive_path, canon[method] or '', canon[method] and (out_dir / (canon[method] or 'notdone')).exists())
 
         return format_html(
             '<span class="files-icons" style="font-size: 1.2em; opacity: 0.8">'