From f6de283e7b72f14195d0e3663f41a06972a0b506 Mon Sep 17 00:00:00 2001
From: Charles Haley <cbhaley@i.wont.say.com>
Date: Tue, 4 May 2021 20:08:49 +0100
Subject: [PATCH] Ooops ...

---
 src/calibre/db/fields.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/db/fields.py b/src/calibre/db/fields.py
index 46c8b840cc..5d3d7c0808 100644
--- a/src/calibre/db/fields.py
+++ b/src/calibre/db/fields.py
@@ -338,7 +338,7 @@ class CompositeField(OneToOneField):
             vals = self.get_value_with_cache(book_id, get_metadata)
             if splitter:
                 length = len(list(vv.strip() for vv in vals.split(splitter) if vv.strip()))
-            elif vals.strip:
+            elif vals.strip():
                 length = 1
             else:
                 length = 0