From d9413039ec2eee312e2b0a00b866bfaf3d3881b8 Mon Sep 17 00:00:00 2001
From: keikari <34790748+keikari@users.noreply.github.com>
Date: Wed, 12 May 2021 18:30:38 +0300
Subject: [PATCH] Fix suggestion for issue #3240

L135: If `getattr()` returns `None`, use `""` instead to avoid error in issue #3240
---
 lbry/file/source_manager.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lbry/file/source_manager.py b/lbry/file/source_manager.py
index b4babc7a9..356dcb74d 100644
--- a/lbry/file/source_manager.py
+++ b/lbry/file/source_manager.py
@@ -132,7 +132,7 @@ class SourceManager:
         else:
             streams = list(self._sources.values())
         if sort_by:
-            streams.sort(key=lambda s: getattr(s, sort_by))
+            streams.sort(key=lambda s: getattr(s, sort_by) or "")
             if reverse:
                 streams.reverse()
         return streams