From bd52f08a30626fa06e5dc14a3a5a76ea95e67910 Mon Sep 17 00:00:00 2001
From: Ozzie Isaacs <ozzie.fernandez.isaacs@googlemail.com>
Date: Sun, 2 Oct 2022 15:05:07 +0200
Subject: [PATCH] Fix for #2547 (None isn't iterable, so in case scholary
 request fails, empty list has to be returned)

---
 cps/metadata_provider/scholar.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cps/metadata_provider/scholar.py b/cps/metadata_provider/scholar.py
index 498184ec..5f632343 100644
--- a/cps/metadata_provider/scholar.py
+++ b/cps/metadata_provider/scholar.py
@@ -54,7 +54,7 @@ class scholar(Metadata):
                 scholar_gen = itertools.islice(scholarly.search_pubs(query), 10)
             except Exception as e:
                 log.warning(e)
-                return None
+                return list()
             for result in scholar_gen:
                 match = self._parse_search_result(
                     result=result, generic_cover="", locale=locale