From a63ee0e1a7f27710279941bc8dce23de992c694c Mon Sep 17 00:00:00 2001
From: Adrian Sampson <adrian@radbox.org>
Date: Sun, 18 Oct 2020 07:19:21 -0400
Subject: [PATCH] Try normalizing the dbcore String type

Strings were not being normalized, unlike some other types, leading to
downstream problems like #3773.
---
 beets/dbcore/types.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/beets/dbcore/types.py b/beets/dbcore/types.py
index 5aa2b9812..abda7adcd 100644
--- a/beets/dbcore/types.py
+++ b/beets/dbcore/types.py
@@ -207,6 +207,12 @@ class String(Type):
     sql = u'TEXT'
     query = query.SubstringQuery
 
+    def normalize(self, value):
+        if value is None:
+            return self.model_type()
+        else:
+            return self.model_type(value)
+
 
 class Boolean(Type):
     """A boolean type.